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viva [34]
3 years ago
5

Which of the following expressions is correctly written in scientific notation?

Mathematics
1 answer:
dedylja [7]3 years ago
8 0

Answer:

7.31 x 10^-2

Step-by-step explanation:

scientific notation multiplies a number between 1 and 10 by a power of ten

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What percent is the change in the price if the price was $100 and now it is $1250?
Vsevolod [243]

Answer:

  1150%

Step-by-step explanation:

The percentage change is ...

  percentage change = (amount of change)/(original amount) × 100%

  = ((new amount) - (original amount))/(original amount) × 100%

  = ($1250 -$100)/$100 × 100%

  = 1150/100 × 100%

  = 1150%

6 0
3 years ago
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Brian buys a computer for £4300. It depreciates at a rate of 3% per year. How much will it be worth in 6 years? Give your answer
aalyn [17]

Answer:

3526

Step-by-step explanation:

4300×3%=129

129×6=774

4300_774= 3526

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3 years ago
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Find the number of tiles in the 57th figure. justify your answer using an algebraic expression
attashe74 [19]
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8 0
2 years ago
Plz help asap for brainiest
Sergio [31]

Answer: x = 16

Step-by-step explanation:

If RQ is the bisector, that means the angle is cut in half. Therefore angles PRQ and QRS are equal to each other.

4x+6 = 7x-42

subtract 7x from both sides

-3x+6 = -42

subtract 6 from both sides

-3x = -48

divide both sides by -3

x = 16

7 0
3 years ago
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A triangle has side lengths of 11cm and 9cm. Which could be the value of the third size,20cm or 15cm?
vladimir1956 [14]
If you put in a calculator 11^2+9^2 then square root that it should give you your answer
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