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creativ13 [48]
3 years ago
8

16. Which is greater, 4^-2 or 2^-4? How do you know? Those are exponents.

Mathematics
1 answer:
gladu [14]3 years ago
4 0

Answer:

Both are equal to \frac{1}{16}

Step-by-step explanation:

If the exponent is negative we can turn it into a fraction and make it positive.

This means the number goes to the denominator and the numerator becomes one. Therefore the following.

4^{-2} = \frac{1}{4^{2} } =\frac{1}{16}

2^{-4} =\frac{1}{2^{4} } = \frac{1}{16}

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Find the 12th term of the arithmetic sequence given a3=116 and a7=180<br>​
SOVA2 [1]

Answer:

Step-by-step explanation:

nth term = a +(n-1)d

a3 = 116 ;   a + 2d = 116 ---------(i)

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multiply (ii) by -1. so a will be eliminated

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(ii)*-1    <u>-a - 6d = -180</u> -------(ii)   { Now add the two equations}

              - 4d = -64

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5 0
3 years ago
(10 times 2) + 5 times 8 =
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2 years ago
How do you do question 22
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Answer:

  ∠YXZ = 58°

Step-by-step explanation:

Use the angle sum theorem and the given relations.

  ∠WXY +∠WXV = ∠YXV

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Similarly, ...

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