Will give brainlist to best answer and correct one

8

Step-by-step explanation:

4 x 8 = 32

the 4 and 4 cancel each other out

For question 1:

 r^(m-n)

For question 2:

(4^4)^x = 4^32

x=8

Step-by-step explanation:

When you divide you subtract the exponents

When you multiply you add

When it looks like this (4^2)^9 you multiply

8*4=32

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step-by-step explanation:

answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

step-by-step explanation:

in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.