Questions on Algebra: Decimal numbers, power of 10, rounding answered by real tutors!

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Question 424335: The government of a developing country is implementing a new reading program in which each individual who can read spends one year teaching two others to read. At the end of the year, the original individual can stop, but each of the two people who just learned to read must now spend a year teaching two more people to read. If 1,000 people can read at the start of the program, after 10 years how many people will be able to read?
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Question 407070: marcus is 74 1/8 inches tall. His little brother wayne, is 57 3/4 inches tall. about how much taller (in inches) is marcus than wayne?
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Question 403090: Sophia ran the 100 meter dash in 11.36 seconds. What is the value of 3 in her time?
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Question 400323: In a situation such where I have I need to find the value of "V" rather than V^2 how do i proceed on this question. I know that you ar supposed to find the root first then divide the exponent by 2 but is it o.k. to have a decimel exponent.
Thank you.
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Question 550367: A garden contains two square flowerbeds .The total area of the flowebed is 680 square feet , and the second bed has 288 more square feet than the first .
How many square feet is in the first flower bed?
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Question 917334: Could you help me? I need to find all asymptotes. F (x)=(x^2+3x-10)/(x^2+8x+15) thanks.
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Question 398480: Find the decimal notation for the fraction -10/19
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Question 397426: (-3.2*10 to the power of -7)(-8.6*10 to the power of -8)
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Question 395248: .15x-0.9(x-1)=0.01(3x-3) I can't figure out how to solve linear equation using decimals.
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Question 395248: .15x-0.9(x-1)=0.01(3x-3) I can't figure out how to solve linear equation using decimals.
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Question 872240: Simplify , giving your answers with positive powers only.
(r^(1/3) * s^2)/(r^(1/2) * s^(1/4))
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Question 399495: Carrie bought new carpet for her living room. She calculated the area of the living room to be 174.2 square feet. the actual area was 149.6 square feet. What is the relative error of the area to the nearest ten-thousandth?
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Question 391103: I have a 5th grader that is trying to figure out what to do on his homework. the question is... Follow the pattern
281.8 x 1 = 281.8
281.8 x 10 = -------
281.8 x 100 = ------
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Question 487617: how to solve this equation:

3(ln2x)^3-4(ln2x)^2-5ln2x+2=0
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Question 738174: Patton drove his column north and covered 60 miles in 3 hours. By how much did he need to increase the column's rate in order to complete the last 200 miles in the remaining 5 hours of daylight?
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Question 521857: Springfield and Futureland are 891 miles apart. Stephanie leaves Springfield traveling toward Futureland at 85 miles per hour. At the same time, Seth leaves Futureland heading for Springfield at 50 miles per hour. How many miles from Springfield will they pass each other on the road?
The meeting point is ____________ miles from Springfield.
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Question 364198: find the polynomila for the perimeter and for the area, if one side is b+4 and the other is b, what is the area and perimeter. Can you help me please? thank you
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Question 359890: Order each decimal from least to greatest
1.25, 1.52, 1.02, 1.50
15.0421, 14.52, 14.521, 15.421
order each set of decimals from greatest to least
4.99, 4.001, 5.0, 4.01
3.5, 3.05. 3.55, 3.555
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Question 359819: place these numbers from smallest to largest, . 2.0513, 2.0515, 25/100, 2.051, 2.052, 2.059, 25/10, 2.05
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Question 358072: I need help with a couple problems. Here is one. 0.4 times 10 to the negative 2nd power.
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Question 357777: This is my problem, and it's a team project, the other thing is this is all unfamilier to me.
Population of Mexico. In 2006 the population of
Mexico was 107.4 million. If Mexico�s population continues
to grow at an annual rate of 1.43%, then the population
in 2028 will be 107.4(1.0143)^22 million.
a) Find the predicted population in 2020 to the nearest
tenth of a million people.
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Question 355985: certain vartieties of seahoreses can move 10.5 inches per minute.at this rate,could these seahoreses be able to travel 6 yards in 1 hour
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Question 355969: whats 1/7 in a decimal form rounded to the nearest hundredth
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Question 383564: Round 2,367,403 to the nearest thousand.
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Question 348216: estimate 5.9x3.6 to the nearest integer
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Question 342431: Divide 20,700km by 10⁶ km and please explain how you did it. My calculator is a piece of junk, and I do not understand it.
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Question 338436: 30+(.0825X30)(.15X30)
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Question 338431: -11(3/2)(.12(-12))
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Question 338426: 4(-2)second power plus8(-2)plus3(-2)plus6
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Question 335180: 0.61 (round to the nearest 10th)
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Question 333503: what is the least possible number when rounded to the nearest million, will become 1,000,000?
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Question 329897: write the ratio of 400 miles in 8 hours in the lowest terms.
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Question 329896: arrange in order from smallest to largest 0.653,13/20,0.635
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Question 329836: How do i solve 3x < 7x + 8
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Question 327724: I saw this question and answer in my textbook:
What decimal fraction of a second is a picosecond,ps?
The answer the book gives is 10^-12 second.
My question is: What is a decimal fraction? I just don't understand that concept.
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Question 327531: multiply (4)/1 x (-3/2)
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Question 327528: determine the max and the minimum values of the following set of numbers
3,-36/7, -1, -2/3, 5/4, -5, 26/9
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Question 327526: [13-18]-[13]
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Question 327524: -13-42=
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Question 323887: how do i multiply and divide decimals
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Question 318945: what does absolute value of -1.23 mean
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Question 316514: Packets of washing powder can be bought individually for 2.35 each or in bulk at a rate of 50 packets for 100 dollars. Calculate the savings possible when bulk buying 200 packets. Express this savings as a percentage of the individual cost of the 200 packets. Give your answer correct to 2 decimal places.
Thank you.

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Question 308867: The United States emitted 19.5 million tons of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 ton) equals 1000 kg. How many kilograms of NO were emitted to the atmosphere in the United States during 1987?
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Question 392970: b + 3b = ?
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