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3 years ago

Which law would you use to simplify the expression (4x)^9?

Mathematics

2 answers:

Dafna11 [192]3 years ago

7 0

Answer:

Product of product

Step-by-step explanation:

hope it helps.......

Dafna1 [17]3 years ago

4 0

Answer:

Power of a product.

Step-by-step explanation:

Hope this helps!

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3 years ago

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The population of a city has decreased by 38% since it was last measured. If the current population is 27,900, what what the pre

Varvara68 [4.7K]

<u>Answer: </u>

The population of a city has decreased by 38% since it was last measured. If the current population is 27,900 .Previous population of city was 45000.

<u> Solution: </u>

Given that current population of city is 27900.

Also, population of a city has decreased by 38% since it was last measured.

Let assume that population of city when it was last measured = x

Decreased of 38% means x-38% of x . we can write this as,

$=x-\frac{38}{100} \times x$

$=\frac{100 x-38 x}{100}$

$=\frac{62 x}{100}=\frac{31 x}{50}$

So current population is $\frac{31 x}{50}$

Equating above expression to the given value of current population, we get

$\frac{31 x}{50}=27900$

$x=\frac{27900 \times 50}{31}$

x=45000

Hence previous population of city was 45000.

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3 years ago

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Step-by-step explanation:

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Kaylynn read 380 pages of her book last week. She read the same number of pages each day for 5 days.How many pages did Kaylynn r

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Step-by-step explanation:

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