Divide 4^2/4^6 a. 4^-3 b. 4^3 c. 4^-4 d. 4^4

1 answer:

8 0

When dividing indices with the same base, the rule is to subtract the index of the denominator from the index of the numerator, and to keep the base the same.

In this case, the index of our denominator is 6, and the index of the numerator is 2.

2-6 = -4

The answer is $4^{-4}$ .

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Five number have amean of 12,when one number is removed, the mean becomes 11,what is the removed number

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Answer:

The removed number is 16

Step-by-step explanation:

Five numbers have a mean of 12.

Now;

Mean = Σx/x

Thus; Σx = 12 × 5 = 60

Now,we are told that if one number is removed, the mean is 11.

Thus;

(60 - x)/4 = 11

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What is the name of the relationship between angle 5 and angle 7?

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angle 6 and angle 8 are also vertical
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Elenna [48]

Answer:

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