There are 8 numbers on the spinner.
The first spinner could be 1 of 8 and the second spin could also be 1 of 8.
To find the total outcomes, multiply the number of outcomes of each spin by each other.
Spin 1 : 8 out comes
Spin 2: 8 outcomes
Total outcomes = 8 x 8 = 64
The answer is D. 64
