Answer:
D
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Answer:
this is 8 raise to power 18
Answer:
78
Step-by-step explanation:
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Add the one from the left to the 63 to get 64. Then divide both sides by 4 and get x^2=16. Take the square root of both sides to get x to equal 4.