1.how many people are there in the age group of 0-20 2. how many people are older than 20

​

Bis the answer! hope this

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.

By j 8yrydyeydyd dhdhrhdhdh