Problem
(a) Write $7 \times 7 \times 7 \times 7 \times 7$ as a power of 7
Solution
Step 1 ：Write the expression as a power of 7: \(7 \times 7 \times 7 \times 7 \times 7 = 7^5\)
Step 2 ：Calculate the value of \(7^5\) using Python: \(7^5 = 16807\)
Step 3 ：\(\boxed{16807}\)
