How much is 3000 pounds of nickels worth?
(1 nickel = 5 grams)

1 pound ≈ 454 grams
1 nickel = 5 grams

454 ÷ 5 ≈ 91
1 pound = 91 nickels
3000 pounds x 91 nickels = 273,000 nickels x 5 = $1,365,000

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.