2 years ago

What is this song of 2.5 x 10 to the 4th power + 3.4 * 10 to the 4th power

Mathematics

1 answer:

Sergio039 [100]2 years ago

4 0

5.9 • 10^4

just add the two numbers because the exponents are equal.

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A school ordered 5 boxes of paper. There were 28 sheets of paper in each box. How many sheets of paper did the school order in a

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Answer:

the answer is 140 pieces of paper

Step-by-step explanation:

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2 years ago

HELP PLEASE!!! Thanks!

Irina18 [472]

Answer:

2) $\frac{\sqrt{77}}{11}$

3) 5√2

Step-by-step explanation:

Simplest radical form of an expression is the expression in radical so that there are no more square roots, cube roots, 4th roots, etc left to find, after rationalising the denominator ( if needed ).

2. Here the given expressions,

$\frac{\sqrt{7}}{\sqrt{11}}$

For rationalising the denominator multiply both numerator and denominator by √11,

$\frac{\sqrt{77}}{11}$

3. given expression,

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2 years ago

A pile of 10 000 paper is 89 cm thick. How thick is one sheet of paper?

Iteru [2.4K]

Answer:

0.0089 cm

Step-by-step explanation:

89/10 000

=0.0089

8 0

2 years ago

Find the unit rate ( miles per gallon ): 50 miles on 2 1/2 gallons.

postnew [5]

Hello! To find the unit rate in miles per gallon, all you have to do is divide the amount of miles by the amount of gallons. 2½ is 2.5 in decimal form. 50/2.5 is 20. There. The unit rate is 20 miles per gallon.

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2 years ago

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Need help with this as soon as possible.

maw [93]

Answer:

after 9 weeks it would become 9*1+10=19 inches

and after w weeks it will be w*1+10 inches tall

hope this helps

Step-by-step explanation:

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2 years ago

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