5e = e + 10 Please help with this
1 answer:
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Let the score on her seventh test be "x".
SO,
∴ He must get 104% on his seventh test to get an average score of 90%
SO,
∴ He must get 104% on his seventh test to get an average score of 90%
Answer:
Step-by-step explanation:
There are exponent rules I posted above that are being used here.
We have (3^-6)^-5
Since we have a power times a power, we multiply 6 and 5 to get -30. Look at the first example in the photo.
So, we're left with 3^-30.
If you look at the photo, there's a rule for negative exponents.
Take the inverse of the base number, so 3 in this case:
1 / 3
and then make the exponent positive after taking the inverse.
So, we should get 1 / 3^30
Hope this helps!
