Question

Calculate (84)5×(73)9:
A. 820×727
B. 89×781
C. 820×712
D. 89×727

Answer 1

To calculate (84)5×(73)9, we perform exponentiation and then multiplication. The correct answer is A. 820×727.

Step-by-step explanation:

To calculate (84)5×(73)9, we need to perform the exponentiation first and then multiply the results.

First, we calculate 84 raised to the power of 5: 845 = 2,985,984.

Next, we calculate 73 raised to the power of 9: 739 = 16,783,413,535,815,497.

Finally, we multiply the two results: 2,985,984 × 16,783,413,535,815,497 = 50,107,164,945,866,202,949,328.

Therefore, the correct answer is A. 820×727.