56
419,854,000 using exponents is 4.19854 x 108
The prime factorization of 81 using exponents is: 34
If you mean: 25*55 in exponents then the number is 100,000
2
123ads
252 or 54
5.624013501 × 1010
1.5 × 108
3.6 × 103
35 = 243
2 x 3 = 6 No exponents needed.
3 x 5 = 15 No exponents required.