how to subract a number with different exponents

Asked by amarsinghamar680 | 17th May, 2020, 03:26: PM

Expert Answer:

9.03×1030 - 45.15×1028
= 903 × 10-2 × 1030 - 45.15×1028
= 903 × 1028 - 45.15×1028
= 1028 (903 - 45.15)
= 857.85 × 1028
= 85785 × 1026

Answered by Yasmeen Khan | 17th May, 2020, 11:26: PM