1.5 × 108
419,854,000 using exponents is 4.19854 x 108
The prime factorization of 81 using exponents is: 34
2
56
123ads
5.624013501 × 1010
252 or 54
35 = 243
3.6 × 103
2 x 3 = 6 No exponents needed.
3 x 5 = 15 No exponents required.
86,400 = 8.64 × 104