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Question

Find the value of the expression below for r = 4 and t = 2.
t3 – r + 20 ÷ r
(1 point)
9
72
6
40

Answer 1

To find the value of the expression when r = 4 and t = 2, substitute these values into the expression:

t3 – r + 20 ÷ r

(2)3 – 4 + 20 ÷ 4

8 – 4 + 20 ÷ 4

8 – 4 + 5

4 + 5

9

Therefore, the value of the expression when r = 4 and t = 2 is 9.