42 is 53.6% of what number? round to the nearest tenth if necessary

The answer is 78.4. Hope this helps!

2,251.2, rounded to the nearest tenth is 2,251. The answer is asking what is 42 times 53.6 and you get the 53.6% of 2,251, which is 42.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.