Evaluate this exponential expression.
5. (3+6)² – 6²

(3+6)² – 6²

Do the bracket first

(9)^2-6^2

9*9 ( two times because of the exponent)

9*9=81

6^6=36

81-36

45

45

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

12.4, 12.387, 12.26, 12.252, 6.241, 6.2, 6.015, 6.009, 1.411, 1.2, 1.056, 1.007, 0.31,   0.13, 0.5, 0.04

step-by-step explanation:

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