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 54667: certain varieties of sea horses can move 10.5 inches per minute. would these sea horses be able to travle 6 yards in one hour?
Click here to see answer by psbhowmick(456)

Question 54732: 6780.50568 rounded to .01, .1, 1, 10, 100
Click here to see answer by checkley71(8405)

Question 55376: Rounding 38.4687 to the nearest hundredth yields
Click here to see answer by funmath(2873)

Question 55374: estimate.state your method.(rounding,front-end,or clustering)
91.7 + 88.6 + 89.1 + 92.5 + 90.6
3.9 + 8.1 + 2.06
Detemine whether each product or quotient is resonable.If it is not resonable,find a resonable result.
62.77(29.8)=187.0546
16.132/2.96 = 54.5
Please and thank-you

Click here to see answer by bevendy5(1)

Question 45726: Can someone help me on this?
I need to write this problem as a percent:
0.008
Thanks,
Ashley
Click here to see answer by carlye103(2)

Question 56802: Write in standard form:
Fifteen thousand,four, and 53 ten-thousandth.
I got 15004.53 is this correct?

THanks!
Click here to see answer by stanbon(26259)

Question 58487: why is there such thing as math anything

Click here to see answer by funmath(2873)

Question 62104This question is from textbook
: 13.2k+4.3=2.7kThis question is from textbook

Click here to see answer by rchill(405)

Question 62907: I need to know how to how to find decimal notation by muliplying by one.
Click here to see answer by stanbon(26259)

Question 63026This question is from textbook An Incremental Development

: please help with
0.5x - 0.5 - 0.05 = 0.55
This question is from textbook An Incremental Development

Click here to see answer by praseenakos@yahoo.com(417)

Question 63734This question is from textbook An Incremental Development

: please help me to solve the following
0.3(x - 4) = 0.03(4x - 8)
thanksThis question is from textbook An Incremental Development

Click here to see answer by praseenakos@yahoo.com(417)

Question 64148: how do i do it my teacher keeps showing me but idont understand it and sometimes i get frustrated that i want to cry sometimes i really would like to understand it thats why im trying mybest
Click here to see answer by stanbon(26259)

Question 64123: how to do these.. 7.7-14.1= I lined them up and got 13.6 but the next one was confusing.. thanks
-9.4- (-10.4)
Click here to see answer by 303795(562)

Question 64124This question is from textbook An Incremental Development

: Please help me to simplify the following : (0.006×10^-10)(200×10⁸) —————————————————————————— (0.004)(30,000,000)
This question is from textbook An Incremental Development

Click here to see answer by Edwin McCravy(2920)

Question 64278: Change the fraction to a decimal. 3/40
Click here to see answer by checkley71(8405)

Question 64353: I need your help please and I certainly do thank you.
Solve for x to Four decimal places
18.)10^x=153
19.)1.02^4x=2
Click here to see answer by ankor@dixie-net.com(6691)

Question 64697This question is from textbook An Incremental Development

: Estimate :
(616.321)(4,015.693 x 10^5) / 3025 * 10^-14This question is from textbook An Incremental Development

Click here to see answer by josmiceli(3003)

Question 65289: How do you turn a decimal into a fraction?

Click here to see answer by checkley71(8405)

Question 65603This question is from textbook An Incremental Development

: Help to simplify
41,805 * 10^3
DIVIDED BY
0.000395 * 10^-1This question is from textbook An Incremental Development

Click here to see answer by praseenakos@yahoo.com(417)

Question 58417: complete each table and write a division rule
input'n 49 107 239 564
output 7 15r2 == ==
Click here to see answer by 303795(562)

Question 56644: Describe a situation where you would round as indicated? 1.to the nearest whole? (?time), 2. to the nearest tenth? (?fractions), 3. to the nearest hundredth? (?equations)
thanks
Click here to see answer by 303795(562)

Question 50184: i need help on this very hard problem for chem. its is (8.7*10 to the 5th power)(3.21*10to the 4th power)/6.14*10 to the 6th power.
please help me
Click here to see answer by 303795(562)

Question 44666: Barok and Zanna opened their B & Z Recycling Station one month ago, and already they have 7,000 tons of galactic debris for sale. They have collected five times as many 4-ton bins of asteroid fragments as 2-ton bins of meteorite dust. They have in storage four times as many 10-ton bins of scrap metal as 6-ton bins of electronic parts. How many bins do they have of each kind of galactic debris?
Click here to see answer by 303795(562)

Question 66051: 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?
Click here to see answer by rajagopalan(125)

Question 66682:

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

Question 66681:

Multiply.

Multiply.
a b² ● ab³
( is suppose to be a 4)
Click here to see answer by Earlsdon(4898)

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(4898)

Question 67118: convert this into a decimal: 7/8
Click here to see answer by funmath(2873)

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(2873)

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

Click here to see answer by Edwin McCravy(2920)

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

Click here to see answer by stanbon(26259)

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

Question 74154This question is from textbook Pre-Algebra
: Write the number in scientific notation.
1250

Thanks! Please work fast!This question is from textbook Pre-Algebra

Click here to see answer by jim_thompson5910(13787)

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(13787)

Question 75572This question is from textbook algebra
: 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
This question is from textbook algebra

Click here to see answer by Edwin McCravy(2920)

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(2920)

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)

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