Mathematics: Which expression is equivalent to · for all values of a and b where the expression is defined?

Which expression is equivalent to · for all values

Ответ:

gisellekatherine1

12.02.2021

Mathematics

$=\frac{20a^{15}}{b}$

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Ответ:

behemoth42

26.10.2020

Mathematics

First, convert 54 into a fraction.
It would be 54/1.

Now multiply 7/9 and 54/1 across; multiply the numerator by the numerator and the denominator by the denominator.

7 x 54 = 378
9 x 1 = 9

We get 378/9.

9 can go into 378 exactly 42 times.

So, 7/9 x 54 = 42.

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Which expression is equivalent to $\frac{10a^{5}b^{2} }{2b7^{2} }$ · $\frac{4(a^{2} ) ^{5} }{b^{-4} }$ for all values of a and b where the expression is defined?

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