Answer:
your answer would be 0.052
(y^2)^5 × y^8
Use the rule:

To get:
y^10, then, use the rule:

To eventually get:
y^(10+8) = y^18 or: y18 seeing as you wrote it like that.
Answer:
262.00
Step-by-step explanation:
17.00-12.00=5.00
5.00x50=250.00
250.00+12.00=262