Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
we know that
When divide exponents (or powers) with the same base, subtract the exponents
Part 1) we have

Part 2) we have

Answer:
the answer is 9
Step-by-step explanation:
15/100 ?/60
multiply 60 by 15 to get 900, the divide 900 by 100 to get <em>9</em>
Answer:
The middle one
Step-by-step explanation: