Answer:
The answer is 20.
Step-by-step explanation:
The exponent is 2/2, which is equal to one. Exponents come first in the order of operations, so t^1 comes first. t is 5 so 5^1 equals 5. The equation is now, a * 5 = s. a is 4 so 4 * 5 is equal to 20.