Verified Answer :

1) You are correct.
2) You are correct.
3) \(3^{7}\) : 3 × 3 × 3 × 3 × 3 × 3 × 3 = 2187
4) \(10^{6}\) : 10 × 10 × 10 × 10 × 10 × 10 = 100000
5) 20 = \(2^{2}\) × 5
6) 50 = 2 × \(5^{2}\)