The ratio of the corresponding side lengths is 10: 710: 7. what is the ratio of the areas?

10 * 10= 100
7*7=49
the ratio is 100:49

remember to mark me brainliest

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.