Answer:
1. b⁵
2. +16m⁹
Explanation:
1. Add exponents: b³⁺² = b⁵
2. Negative and Negative = positive
2*8 = 16
m⁴⁺⁵ = m⁹
Hence: + 16m⁹
we know that
So
7.2m questions
9.6m answers