Which rational exponent represents a square root?
А. 1/3
B. 1/2
C. 3/2
D. 1/4

The exponent 1/2 represents a square root. The number on top of the fraction is the and the denominator represents the index of the radical.

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.