# 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 19728: i dont know how to do any of it!!!!!!!!!!!! Click here to see answer by xcentaur(357)

 Question 21244: 24/10 + 24/10 = 48/10 = 4.8 How do I Round to the nearest hundredth. Click here to see answer by GuessWho(10)

 Question 21242: How do I Round to the nearest hundredth. Click here to see answer by GuessWho(10)

 Question 21870: How would you express 0.000409 in scientific notation? Click here to see answer by Alwayscheerful(414)

 Question 21296: find the area to the neareest tenth, then circle the given radius or diameter d=16m Click here to see answer by rapaljer(4667)

 Question 23377: how to round off 8,008,278 to the nearest ten thousand Click here to see answer by AnlytcPhil(1277)

 Question 29291: can you please tell me how to round 12,903,899 to the nearest ten-thousand? Thankyou so much!!!!!!!!!! Click here to see answer by Earlsdon(6287)

 Question 29290: how do you round 150,983 to the nearest ten-thousand? Click here to see answer by longjonsilver(2297)

 Question 29945: Need your help once again please. Rewrite the number in each statement in scientific notation. The top-selling music album of all time is "Their Greatest Hits" by the Eagles, selling 28,000,000 copies. Home computers can perform a multiplication in 0.00000000036 second. Click here to see answer by Earlsdon(6287)

 Question 32548: Please help with this problem. I know that I am suppose to divide the num by the denom, add or subtract the exponents and then multiply. This is the answer that I came up with - 2.94 x 10 (-41) "Number in parenthesis is the exponent) 0.00014 2.6 x 10 (-12) _______ x ______________ 3.2 x 10 (-12) 3.9 x 10 (12) Click here to see answer by Cintchr(481)

 Question 32883: what is the formula on powers and what is the answer to 10 to the power of 5 Click here to see answer by stanbon(57361)

 Question 32900: how do i make this mixed fraction 14 5/12 a decimal?? Click here to see answer by ikdeep(226)

 Question 34514: What is 0.47 rounded to the nearest tenth? Click here to see answer by checkley71(8403)

 Question 34697: (1) write each percent as a decimal 3.8% (2) write each decimal as a percent 0.0897 Click here to see answer by checkley71(8403)

 Question 37339: If an infinite decimal such as .999... is to represent one specific number, it should be the limit of the sequence described by part (a), in this case 1; that is, .999...= 1. A number is a *limit* if the difference between it and the terms of the approximating sequence is eventually less than any distance you choose, no matter how small. What number does .4999...represent? What about 7.562999...? Why? I have some of the answers to this problem. .4999=0/1=0.0 1/2=0.5 2500/5001=0.49990001999 7.562999=8/1=8.0 15/2=7.5 53/7=7.57142857142857 I'm not sure this is correct nor do I understand WHY? As the questions asked. Thanks in advance for any help I can get. Click here to see answer by AnlytcPhil(1277)

 Question 38675: Simplify the following: (-u2+4u-8) + (-u – 7) - (-8u2 + 9u + 1) Please help me find the answer NOTE: all of the 2's are the powers of the number in front of them Click here to see answer by checkley71(8403)
 Question 38675: Simplify the following: (-u2+4u-8) + (-u – 7) - (-8u2 + 9u + 1) Please help me find the answer NOTE: all of the 2's are the powers of the number in front of them Click here to see answer by AnlytcPhil(1277)

 Question 39311: PLEASE HELP I need this within 10 minutws for the math exam. Find the shortest distance from the point P(1,0) to the line x-2y+4=0 to the nearest tenth. A. 5.5 B. 9.2 C. 6.3 D. 2.2 Click here to see answer by venugopalramana(3286)

 Question 39665: Can someone help me solve this problem? Add thirty-eight and nine tenths, five and fifty-eight hundredths, seven, and fifteen and eigth tenths. Thanks! Click here to see answer by checkley71(8403)

 Question 39664: Can someone help me with this problem? Subtract 45.6 - 8.85 Thanks! Click here to see answer by checkley71(8403)

 Question 39662: How do I solve this problem? Lula wants to round 76.24491 to the nearest hundredth. She first rounds 76.24491 to 76.245 and then rounds 76.245 to 76.25 and claims that this is the final answer. What is wrong with this approach? Thanks! Click here to see answer by checkley71(8403)

 Question 39661: Can someone help me solve this problem? Arrange in order from smallest to largest. 2.05, 25/10, 2.0513, 2.059, 251/100, 2,0515, 2.052, 2.051 Thanks! Click here to see answer by checkley71(8403)

 Question 39660: Can anyone help me solve this problem? Write each of the following as a common fraction or mixed number: 4.0171 Thanks! Click here to see answer by fractalier(2101)

 Question 39724: Could someone help me solve this problem? Is 5/16 greater or less than 0.313 Thanks Click here to see answer by josmiceli(9686)

 Question 39721: Could anyone out there help me with this problem? Find the decimal equivalents for the following mixed number. 7 3/4 Thanks, Lyn Click here to see answer by josmiceli(9686)

 Question 39722: Write the following problem as a common fraction or mixed number. Write your answer in the lowest terms. 15.35 Thanks Click here to see answer by benni1013(197)
 Question 39722: Write the following problem as a common fraction or mixed number. Write your answer in the lowest terms. 15.35 Thanks Click here to see answer by josmiceli(9686)

 Question 39733: How do I round 0.00000226 to the nearest tenth,hundred ,thousand? Click here to see answer by stanbon(57361)

 Question 39762: Which of the following fractions have terminating decimals and which have repeating decimals. The fractions are: 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1/9, 1/10, 1/11, 1/12 Show Decimal Form " Which are Terminate and Prime Factorization of the Denominator I am very lost on this. Thanks if you can help Sher Click here to see answer by checkley71(8403)

 Question 39796: Can someone help me with this problem? An A-frame cabin has a triangular front with a base of 30 ft. and a height of 20 ft. If the front is to be glass that costs \$3 per square foot, what will the glass cost? Thanks, Sher Click here to see answer by Nate(3500)