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

Tutors Answer Your Questions about decimal-numbers (FREE)

Question 66682:

Multiply. (�2.5)(20)
Click here to see answer by sister_insomnia(8)

Question 66681:

Multiply.

Multiply.
a b� ● ab�
( is suppose to be a 4)
Click here to see answer by Earlsdon(6294)

Question 66680: Find Σ for the following set of numbers
-1/5, 2/5, -3/5, 3/5, 4/5, 1
Which is correct: (Can you show me how to solve)
a. 1
b. 1/5
c. 4/5
d. 2
Click here to see answer by Earlsdon(6294)

Question 67118: convert this into a decimal: 7/8
Click here to see answer by funmath(2933)

Question 67119: change these fractions to decimals:
132/375=
1/8=
3/8=
3/16=
9/16=
5/8=
7/8=
Click here to see answer by funmath(2933)

Question 68400: how to round 9995.2 to the nearest ten?

Click here to see answer by Edwin McCravy(20055)

Question 68400: how to round 9995.2 to the nearest ten?

Click here to see answer by stanbon(75887)

Question 70751: 2.43x + 13.71 = 8.12x - 22.54
Click here to see answer by checkley75(3666)

Question 74154: Write the number in scientific notation.
1250

Thanks! Please work fast!
Click here to see answer by jim_thompson5910(35256)

Question 74743: The circumference of teh great wheel was twelve thousand and forty-one thousandths inches. The circumference of the lesser wheel was only one thousand twenty-one and two hundred-thousandths inches. How much larger was the great wheel?
Click here to see answer by jim_thompson5910(35256)

Question 75572: write the decimal expansions for these rational number. tell whether the expansions are terminating or repeating.
Find the rational number equivalents for these decimal expansions.
tell whether they are rational or irrational
simplify the following radicals. be sure to check your answers

Click here to see answer by Edwin McCravy(20055)

Question 75593: Her parents have given Silly Sally a choice of payment method for her allowance: She can receive $25.00 dollars at the end of two weeks or she can get $.01 today and double that, $.02 tomorrow and double that for each day doubling the amount from the day before every day for two weeks. Decide which type of payment Sally should pick by calculating the amount she receives for each.
Click here to see answer by Edwin McCravy(20055)

Question 75725: 1.2738/.22
Click here to see answer by checkley75(3666)

Question 75724: 24.948/6.6
Click here to see answer by don vito(18)

Question 75885: need help on 7/8 as a decimal
Click here to see answer by checkley75(3666)

Question 76066: 7.3 203.6 -57.32 write each number as a fraction and if possible as a mix numeral
Click here to see answer by checkley75(3666)

Question 75721: 0.19414/.34
Click here to see answer by mathman409(67)

Question 75722: 413.66/4.3
Click here to see answer by mathman409(67)

Question 75723: 41.478/0.93
Click here to see answer by mathman409(67)

Question 77947: i haven't been in school for a very long time. i'm trying to do algebra and i don't understand it at all. can you help me.
Click here to see answer by checkley75(3666)

Question 79386: Factor completely and FOIL
x^2 + 9x + 20
Click here to see answer by tutorcecilia(2152)

Question 79759: -x+12=-4+x
Click here to see answer by checkley75(3666)

Question 80098: decimal numbers , 7.2 divided by 0.06 =?
Click here to see answer by checkley75(3666)

Question 82216: Domenica buys a 0.056 kilogram segment of her favourite blue vien cheese at a cost o $25.42 per kilogram. How much does this piece of cheese cost? Round off to the nearest 5 cents
Click here to see answer by ptaylor(2198)

Question 82884: I hope you can help me.. My daughter is in 4th grade and her homework is "Estimate Decimal Sums and Differences" Her first problem was to "estimate by rounding to the nearest whole number" (problem #1) 9.3
- 6.1
_____
I think the answer is 15.0. She says its "15".
Also another problem (problem 2) $45.38
- 18.77
_______
I say its $26.00.. but she says its "26" .. can you tell me which answer is right? Also would 38.872 + 25.913 = 65 or 65.000 Thanks Vikki
Click here to see answer by stanbon(75887)

Question 83865: Hi can u please help me with this thanks!
- Match the real-life object with its measurement.
A/2.95 dm B/122m C/1mm D/66cm
1. Diameter of a bicycle wheel
2. Distance from home plate to center field in a professional baseball park
3. Thickness of a CD
4. Length of a man's size 9 sneaker
Can you match those up please thank you so much!
Click here to see answer by stanbon(75887)

Question 81373: How to change 0.635 to a percent and rounded to the nearest tenth where necessary?
Click here to see answer by checkley75(3666)

Question 85945: Tuition: A student paid $6500 tuition for her first year attending a university. Tuition at the university is projected to increase $750 a year for the next four years.
(a) How much tuition should the student expect to pay for her fourth year at the university?

(b) How much should the student expect to pay in tuition for all four years?
T
Click here to see answer by bucky(2189)

Question 88756: how will you make 1.234 into fraction?
Click here to see answer by checkley75(3666)

Question 92085: 0.19

Click here to see answer by hemertens(1)

Question 92085: 0.19

Click here to see answer by yamays(1)

Question 94196: arrange in order from greastest to least using the > sign 7.06 , 7.065 , 7.006
7.006 > 7.06 > 7.065
7.006 > 7.065 > 7.06
7.065 > 7.006 > 7.06
7.065 > 7.06 > 7.006
Click here to see answer by Edwin McCravy(20055)

Question 94189: Which of the following is true
A) 0.11 is less than 0.0011
b) 28.2 is greater than 27.88
c) 30.2011 is greater than 30.3111
d) 30.75 is less than 30.7
Click here to see answer by stanbon(75887)

Question 94193: which number below round to 17 when rounded to the nearest whole number
17.27 16.43 17.56 16.27
16.76 17.49 16.69 17.82
Click here to see answer by checkley71(8403)

Question 94397: find the product of the following;
1 0.1*10
2 16.17*90
Click here to see answer by stanbon(75887)

Question 94398: FIND THE QUOTIENTS;
1 364.19/10
2 479.23/100
Click here to see answer by checkley71(8403)

Question 94613: How do I turn a decimal into a fraction?
For example: 0.85 or 9.8
How would I turn those into fractions. I understand it if it's decimals like, 0.7 or 0.1 but not decimals like, 4.008 or 31.99

Click here to see answer by stanbon(75887)

Question 95269: how do you change a decimal to a fraction example .36 how do you change that

Click here to see answer by scott8148(6628)

Question 95274: how to change a mixed number into a fraction example .38 to a fraction

Click here to see answer by ankor@dixie-net.com(22740)

Question 95339: Write six and seven thousand, four hundred thirty-three ten thousandths in standard form.
Click here to see answer by kiljoy(51)

Question 94190: Which of the following is true
A) 28.5 is greater than 28.4
b) 0.49 is less than 0.0049
c) 37.41 is less than 37.4
d) 33.5049 is greater than 33.9949
Click here to see answer by kiljoy(51)

Question 96629: the circumference of the great wheel was twelve thousand and forty-one thousandths inches. The circumference of the lesser wheel was only one thousand, twenty-one and two hundred-thousandths inches. How much larger was the great wheel?
Click here to see answer by stanbon(75887)

Question 96661: 1.write the following meassurements in scientfic notation
a. 800 000 000m
b. 0.0015kg
c. 600 200L
d. 0.00095m
e 8 002 000km
f.0.000 000 000 06kg
Click here to see answer by checkley71(8403)

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