C multiply 1/2 by 10 and 1/5 by 2
4 to the 1st is 4
4 to the 2nd is 16
4 to the 3rd is 64
<span>4 to the 4th is 256
hope that helps</span>
Answer:
Step-by-step explanation:
1/100
Answer:

Step-by-step explanation:

factorise 216

since it is square root (meaning it has index to) pair up the number

