Answer:
14b^5
Step-by-step explanation:
=4b^5 + 10b^5
=(4+10)b^5
=14b^5
14 b^5
you can do all mathmatical operations to same variables with same power
120 in³
8 in • 3 in • 5 in
8 in • 15 in²
Answer:99.9
