Add the exponents if the bases are the same, multiply the bases if the exponents are the same, if nothing is the same just solve it.
Your using the distributive property in your example, hope that helps.
Answer:
B. 42 Mins
Step-by-step explanation:
you take .70x60mins and that is 42 mins.
Answer:
ididk
Step-by-step explanation:
ddkkdk
Maybe D ??
Step by step explanation