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

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Algebra: Decimal numbers, power of 10, rounding

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Question 234453: please Round 8.8227 to the nearest tenth
Click here to see answer by rfer(2588)

Question 233850: What is the decimal halfway between 0.9999999 and 1.1?
How did you find the answer?
Please help! :)
Click here to see answer by scott8148(3325)

Question 232768: How do I solve this equation:
x - 0.25x = 72
Click here to see answer by rfer(2588)

Question 232700: Algebra: What is decimal form of 7/12?
Click here to see answer by rfer(2588)

Question 232648: This is pretty confusing how would I do this
Of the 20,118 runners who started the 2006 Boston Marathon, 19,682 finished the 26.2 mile course. What is the total distance of all the runners that finished the race? How many times around the globe would these marathon runners go? Consider the circumference of the Earth to be 2.5 x 10^4 miles. Express answer in standard notation. Round answer to nearest tenth.
Click here to see answer by checkley77(6671)

Question 232649: The Atlantic Ocean has a volume of 77,640,000 cubic miles. If there are roughly 7.48 gallons in one cubic foot, then how many gallons are in the Atlantic Ocean? (1 cubic mile = 5280^3 cubic feet). Express answer in scientific notation. Round answer to the nearest tenth.
Click here to see answer by checkley77(6671)

Question 232652: The mass of a dust particle is 7.53 x 10^-10 kg. If there were 6 x 10^4 particles in a giant dust ball on your floor, what would be the mass of that dust ball? Express your answer in scientific notation.
Click here to see answer by checkley77(6671)

Question 232457: For the decimal 8.57932: What is the place value of 7? What is the place value of 2?
Click here to see answer by rfer(2588)

Question 232456: For the decimal 8.57932: What is the place value of 7? What is the place value of 2?
Click here to see answer by unlockmath(60)

Question 232167: which is greater 5.6 or 5.06. My son's math book doesn't explain those.
Click here to see answer by rfer(2588)

Question 232015: How would you write "two thousand twenty-seven thousandths" as numerals? Thank you.
Click here to see answer by stanbon(25959)

Question 231132: please help me solve this equation:.09+120.8 divided by 4(2.5-6.4)

Click here to see answer by checkley77(6671)

Question 227256: Need to know how to round 9.95 to the nearest tenth. Thanks
Click here to see answer by rfer(2588)

Question 226240: Estimate the product 6.92 x 32.458 by rounding to the nearest one.
Click here to see answer by jim_thompson5910(13679)

Question 225324: (6x^2-8x+6) + (-4x^2-8x-1)
Click here to see answer by LtAurora(115)

Question 225327: x^2+9x+14 divided by x+2
Click here to see answer by LtAurora(115)

Question 225321: 32x^2+24x-11 divided by 4x
Click here to see answer by LtAurora(115)

Question 225319: 24x-40 divided by 8
Click here to see answer by LtAurora(115)

Question 225318: (x-9)(x^2+9x-4)
Click here to see answer by LtAurora(115)

Question 225316: 4x(12x-6)
Click here to see answer by LtAurora(115)

Question 225317: (x+10)(x-12)
Click here to see answer by LtAurora(115)

Question 225184: Ben is making wooden toys for the next arts and crafts sale. Each toy cost Ben $1.80 to make. if he sells the toys for $3.00 each, how many will he have to sell to make a profit of exactly $36.00?
Click here to see answer by LtAurora(115)

Question 224676: A numeral with 9 in the ten thousands place and the tens place
Click here to see answer by checkley77(6671)

Question 223561: A weather balloon is launched at sea level.The balloon is carrying instruments that measure temperature during the balloon's trip.After the balloon is released, the data collected shows that the temperature dropped 0.15'F for each meter that the balloon rose. If the temperature at sea level is 50'F, determine the temperature at a distance of 60 meters above sea level.
Click here to see answer by ankor@dixie-net.com(6567)

Question 223922: express the polynominal in descending or if already polynominal so state.
9x+7x^4
Click here to see answer by drj(1380)

Question 223926: (5y-10) - (y-3)
Click here to see answer by drj(1380)

Question 223712: Express this number in scientific notation
1,900,000
Click here to see answer by drj(1380)

Question 223714: Express this number in decimal form
(8.6 * 10^2)(4.6 * 10^-5)
Click here to see answer by drj(1380)

Question 223715: Express this number in decimal form without exponents.
8.1 * 10^2 divided by 0.9 * 10^-4
Click here to see answer by drj(1380)

Question 223713: Express this number in decimal form without exponents
8.529 * 10^-5
Click here to see answer by drj(1380)

Question 222032: what is 1,934,672 divided by 10 to the 5th power
Click here to see answer by checkley77(6671)

Question 219812: For each number explain what you believe is the best way to round the number without distorting it?
0.3456727
0.2391862
2.5762019
Click here to see answer by checkley77(6671)

Question 219492: How do I arrange in order from smallest o largest the following numbers 2.05, 25/10, 2.0513, 2.059,251/100, 2.0515, 2.052, 2.051?
Click here to see answer by Theo(547)

Question 218398: I need your help on how to show my work for the following problems I need this by today!(my computer dose not have the icon for divided)
Here are the following problems:
4.8 divided by 0.4
3.84 divided by 3
19.2 divided by 0.24
Click here to see answer by checkley77(6671)

Question 218410: what is 61 over 20 as a decimal?
Click here to see answer by drj(1380)

Question 217635: I have instructions on how to change fractions to decimals and do not understand the phrase in the instructions about power of ten. Here are the instuctions:
Change the following fractions to decimals. Find Prime factors of denominator first. If the Fraction is repeating, use long division. If the fraction terminates make the denominator a POWER OF TEN by multiplying by the APPROPRIATE FACTORS.
Next question would be what does the phrase "appropriate factors" mean? Is the teacher talking about the prime factors? or some other factor to make the denominator a "power of ten"?
Click here to see answer by jsmallt9(511)

Question 217015: please help me is .5 equal to 5.0

Click here to see answer by shymeerab(21)

Question 216272: round 516.1094 to the given place value.
Click here to see answer by bob123132(33)

Question 215146: which is larger 3/5 or 0.61
Click here to see answer by Alan3354(5863)

Question 215146: which is larger 3/5 or 0.61
Click here to see answer by stanbon(25959)

Question 214940This question is from textbook Algebra 1/2

: Please help me solve this problem 0.00006184 in words This question is from textbook Algebra 1/2

Click here to see answer by checkley77(6671)

Question 214907: a. .4
b. 5.679
convert into a common fraction or mixed number in lowest terms.
Click here to see answer by Earlsdon(4871)

Question 213491: which number is smaller, 13.2 or 13.19
Click here to see answer by Earlsdon(4871)

Question 213491: which number is smaller, 13.2 or 13.19
Click here to see answer by stanbon(25959)

Question 212831: What shortcut can you use to multiply by 10,100,1000, etc. (by powers of 10)?
Click here to see answer by drj(1380)

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