419,854,000 using exponents is 4.19854 x 108
The prime factorization of 81 using exponents is: 34
2
56
123ads
252 or 54
1.5 × 108
3.6 × 103
35 = 243
5.624013501 × 1010
3 x 5 = 15 No exponents required.
2 x 3 = 6 No exponents needed.