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

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 Algebra: Decimal numbers, power of 10, rounding Solvers Lessons Answers archive Quiz In Depth

 Question 138871: whats the square root of 10,000 times 2 times 50 Click here to see answer by checkley77(12569)

 Question 139658: Hi Algebra Tutors, my name is Lauren and I just wanted to ask you a question . . . . When there is an equation such as 50+x=89 My teacher always says that you have to find your answer and ALSO show all of your work as well showing all of the steps you did in the equation. So will you be able to help me with this? Email me back as soon as you get a chance, please. Thanks A lot , Lauren =) Click here to see answer by ptaylor(2052)

 Question 140149: Okay I do NOt understand this algebra problem. If the US produced 6.25X10^9 Barrels of crude oil in 98' and canada produced 1.98 X10^9 barrels what is the quotient of their production rates. Click here to see answer by checkley77(12569)

 Question 140148: Okay this is a problem on my homework I do not understand how to solve. --------------------------------------------------------------------- North America burned 4.5X10^16 BTU of petroleum in 1998. At this rate , how many BTU's will be burned in 9 years? Click here to see answer by checkley77(12569)

 Question 140342: how would i express the following numbers in scientific notations 0.00000000016 Click here to see answer by stanbon(57967)
 Question 140342: how would i express the following numbers in scientific notations 0.00000000016 Click here to see answer by josmiceli(9817)

 Question 140941: In which of the following are the numbers in order from least to greatest?A B C or D? A.) 5*10^(-4), 40*10^(-5), 0.6*10^(-3) B.) 7.2*10^(-6), 6.8*10^(-5), 73*10^(-6) C.) 4.2*10^(-3), 45*10^(-4), 0.32*10^(-2) D.) 9.8*10^(-2), 8.4*10^(-2), 85*10^(-2) Click here to see answer by checkley77(12569)

 Question 141638: pls i need urgent help here. Find the accumulated value of an investment of \$9000 at 9% compounded continuously for 4 years. Round your answer to the nearest cent. kindly solve it for me appreciate ur help Click here to see answer by checkley77(12569)

 Question 142107: I'm not sure if this is the right subject line but I am working with decimal points and division. Can you please explain what I might have not done correct on the following problem: 76 divided by 1.9 We have to make sure we get the decimal point placed correctly in the answer. This is my first time here so please let me know if I did not give this question or problem correctly. Thank You -T Click here to see answer by stanbon(57967)

 Question 143634: Very very urgent pls How many months does it take for \$1500 to grow to \$2000 in an account paying 12% compounded yearly? (Please round your answer to the nearest month.) Click here to see answer by ankor@dixie-net.com(15746)

 Question 143969: Pluto has an average distance from the Sun of 5.913 x (10 to the 9th power) km. Earth has an average distance from the Sun of 150,000,000 km. If the speed of light is 3.00 x 105 km per second, what is the shortest amount of time it takes for light to travel from Pluto to Earth? Please help....The right answer is 1.921 x (10 to the 4th power)....I need to see the details on how this was solved. I'm getting a headache!! Thanks, Bill Click here to see answer by scott8148(6628)

 Question 144149: if 6.2% = .062 is the answer for 1.42% = .0142 or 0.142 It's .0142. Click here to see answer by Alan3354(31518)

 Question 145779: Of the five numbers, 2.2,2.02,2.002,2.0202,2.00202, the one that is the least is: Help me best way to get answer easily. Thank you sri Click here to see answer by checkley77(12569)

 Question 147056: i have a question if my multiple choice answers for my question find the shortest distance between the parallel lines with equations 5x-12y+33=0 and 5x-12y-6=0 A.3 B.39 C.27/5 D.27/13 E.N/a how did u come up with the answer 3.25 Click here to see answer by jim_thompson5910(28715)
 Question 147056: i have a question if my multiple choice answers for my question find the shortest distance between the parallel lines with equations 5x-12y+33=0 and 5x-12y-6=0 A.3 B.39 C.27/5 D.27/13 E.N/a how did u come up with the answer 3.25 Click here to see answer by edjones(7569)

 Question 151006: Hello and thank you in advance for your help. I have two problems im haveing a hard time trying to figure out dealing with evaluation and decimal notation. 1). evaluate 2l + 4w + 2h for l = 2.4,w = 1.3, and h = 0.8 (the total girth of a postal package) 2). 9t - 4 = 6t + 26 thank you for any help you can give me. Click here to see answer by mducky2(62)

 Question 151030: (0.00000321)(128,000,000) in decimal form my answer =000410.88000000 all I really need to know is did I put the decimal in the right place? If not what did I do wrong. Thank you for taking the time to look at this problem for me Dianne Click here to see answer by Fombitz(13828)

 Question 151321: Write the solution using interval notation. x<-6 or x>0 Click here to see answer by jim_thompson5910(28715)

 Question 151660: Ben is making wooden toys for the next arts and crafts sale. Each toy costs 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? Can you please simplify this for me and let me understand how to do it because i have always had trouble doing word problems? Thank You! :D Click here to see answer by ankor@dixie-net.com(15746)

 Question 152010: How would I explain why 0.4 is greater than 0.39? Click here to see answer by jojo14344(1512)

 Question 152591: Evaluate the expression for the given value of the variable. 13 over m when m= 0.6 My daughter put .4 on her test. My sister told us that since you move the decimal over in 0.6, you have to move it in 13 to make 130, therefore making the answer 5. My daughter redid it like her teacher said and she came up with 4. Who is right. Thank you for any help. Melanie Click here to see answer by jim_thompson5910(28715)

 Question 153792: Hi. Please explain the following. Simplify: x-xy Change to a reduced fraction or mixed number: 2.375 = Change to a decimal number: 5/8 and 5/6 Convert to a decimal number: 6 1/2% and 3 3/10 - 1 11/15 Thanks! Click here to see answer by checkley77(12569)

 Question 153986: What is 8.2015 rounded to the nearest thousandth ? Click here to see answer by checkley77(12569)

 Question 154630: Find a pattern.Write a rule. Use your rules to find the missing numbers in the pattern. Problem:2.3,2.5,2.4,2.6,2.5,__,2.6,2.8,__ Click here to see answer by checkley77(12569)

 Question 154850: write a story problem that can be solved using the equation: 18.50 / 0.5 = x Click here to see answer by jojo14344(1512)

 Question 155123: Division can be used to show that 7 over 40 can be written as what kind of decimal? Click here to see answer by stanbon(57967)

 Question 155213: how do you round to the nearest tenth example 0.9 Click here to see answer by checkley77(12569)

 Question 155670: what is 10 to the power of 1000? Click here to see answer by Alan3354(31518)

 Question 156014: 321.4 divide by .071 and then round to two decimal places Click here to see answer by checkley77(12569)

 Question 156549: Why is 0 not a natural number? Click here to see answer by Edwin McCravy(8999)