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

Tutors Answer Your Questions about decimal-numbers (FREE)

Question 592: I was wondering if you could tell me what the decimal to p means again?
Click here to see answer by AnlytcPhil(1806)

Question 1732: What is the answer of 10 to the 2nd power?

Click here to see answer by Valkres(2)

Question 1732: What is the answer of 10 to the 2nd power?

Click here to see answer by cckheath(1)

Question 3103: solve and write in scientific notation: (3,000 x 10^7) ( 53000 x 10^3)
Click here to see answer by longjonsilver(2297)

Question 3392: How do you solve when decimals are involved?
3x-2.5y=7.125
2.5x-3y=7.3125
Click here to see answer by drglass(89)

Question 3392: How do you solve when decimals are involved?
3x-2.5y=7.125
2.5x-3y=7.3125
Click here to see answer by gsmani_iyer(201)

Question 4201: find the value of
5 X 10^-5
_____________
25 X 10^3

Click here to see answer by Earlsdon(6294)

Question 4200: Write in scientific notation:
A. .000000523
B. -834,000,000,000

Click here to see answer by rapaljer(4671)

Question 4927: 1) (20,000)to the 4th power in scientific notation how do you solve it. I know the answer=1.6X10 to the 17th
2) If only interest is paid on a loan of $7800 at 10.6% annual simple interest, to the nearest cent, how much total interst has been paid after 2.5 yrs.

Click here to see answer by longjonsilver(2297)

Question 5091: I'am haveing problems rounding 6.198 to the nearest tenth
Click here to see answer by rapaljer(4671)

Question 5591: My question is:
9.64 rounded to the nearest thousandth.
would that be 9.6?
Thanks
Click here to see answer by Earlsdon(6294)

Question 5590: My question is:
8.062 rounded to the nearest thousandth.
would that be 8.1?
Thanks
Click here to see answer by prince_abubu(198)

Question 5589: My question is:
10.440 rounded to the nearest thousandth.
would that be 10.4 or 10.44? Does it matter since 10.44 would round down to 10.4? I'm not quite sure what "thousandth" means.
Thanks
Click here to see answer by ichudov(507)

Question 6836:
36
___ =?
-2
Click here to see answer by sslitten(5)

Question 6937: please show me how to get the power of a decimal.
50 to the power of .667 * 0.035 = .048 (answer is rounded off)
What is the answer to 50 to the power of .667 and how do you get the answer.
Click here to see answer by longjonsilver(2297)

Question 7584: nine point eight divided by point fifty seven
Click here to see answer by glabow(165)

Question 7791: = 9
=49
Click here to see answer by bonster(299)

Question 7657: Find the values of the expression using a caculator. Round results to two decimal places. Square root of 625
Click here to see answer by glabow(165)

Question 7988: Hi:
.24 - 6
I'm not sure how to handle the lower number on top. Do I move the decimal point over two to the right?
Thanks

Click here to see answer by bonster(299)

Question 8456: Extremely large or small numbers are conveniently expressed in scientific notation, which consists of a number with one digit to the left of the decimal point multiplied by 10 raised to a power. What is the power of 10 known as?
Click here to see answer by Earlsdon(6294)

Question 9081: the preimeter of a triangle is given by the formula P=? (thank you for the help)
Click here to see answer by prabhjyot(165)

Question 9083: which is an example of a proportion? 2/3, n=1/2, 2/5=a/15,or none of these? (thank you for the help!!!!!!!!!!!!)
Click here to see answer by rapaljer(4671)

Question 12176: Hi! How do you convert decimals into fractions and then fractions into decimals? Could you please show how you get it!! Thank you sOo much!!
Click here to see answer by bonster(299)

Question 13248: what is 0.00406 rounded to the tenth power? 4.06 10x 3 or 4.06 10x -3
Click here to see answer by rahman(247)

Question 12528: Hi so sorry to bother you, do you know how iu can round of nunbers in a scientific calculator? I need to check my anwsers. Thanks for your time.
~Ruth~

Click here to see answer by longjonsilver(2297)

Question 14751: -0.6+(-4a)=-1.4
Click here to see answer by rahman(247)

Question 14678: Please help me solve this;
Write this rule using a variable. 2.1 more than a number
Thank you
Click here to see answer by 997966(3)

Question 16354: HOW CAN YOU DETERMINE "LIKE TERMS" IN ALGEBRA, I AM HAVING A HARD TIME. WHAT SHOULD I DO?
8s - 3s + 4k =5s+4k because the like terms are like family members
10x + 6y -5x =15x+6y
12 + 6p + 3q - 5p + 7q =12+11p-4q
Click here to see answer by elima(1433)

Question 17664: please help me with this problem: Express .84 as a fraction in simplest form.

Click here to see answer by lanntann(3)

Question 17663: please help me with this problem:Expres .15(with the bar at the top of 15)as a fraction in simplest form.
Click here to see answer by mmm4444bot(95)

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

Question 23377: how to round off 8,008,278 to the nearest ten thousand
Click here to see answer by AnlytcPhil(1806)

Question 24867: 11.6*11.6*11.6*11.6
Click here to see answer by AnlytcPhil(1806)

Question 24867: 11.6*11.6*11.6*11.6
Click here to see answer by Antoine(1)

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(6294)

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

Question 29391: count how many places and place your decimal

Click here to see answer by Nate(3500)

Question 29391: count how many places and place your decimal

Click here to see answer by lisa(1)

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(6294)

Question 28132: .1 millimeters x 40 = ___ meters
Click here to see answer by hyperasad(6)

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)

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