Plzzzzzzzzzz helpppppppppppp

Answer:
10 to the power of 30
The bottom answer
Step-by-step explanation:
How?
Well 10 to the power of 15 divided by 10 to the power of five = 10 to the power of 10.It because when it comes to divide powers it means subtract. Inverse operations such as add-multiply and divide-subtract.
Then the 10 to the power of 10 multiply by the outside of bracket by 3 is the real answer 10 to the power of 30 because 10 to the power of ten multiply the power of 3 which is 10*3=30.
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Have a nice day.