Suppose you find a rock and measure that 12.5% of the original uranium-235 still remains it, while the other 87.5% has decayed i
1 answer:
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Referring to the picture I have uploaded might help you
We have the same base, which in this case is x.
When multiplication occurs in the same base, we add the powers
↓ (I am going to perform the problem separately and then give the final answer as the power to x)
↓
x²
The power of a power should be performed by multiplying the powers together.
2 x
Your final answer will be the second option
Answer:
1: 10x-5
2: 6.5w-3y
3: 15+3n
4: not sure
