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Bezzdna [24]
3 years ago
7

Simplify each expression 9 to the second power

Mathematics
1 answer:
olga_2 [115]3 years ago
4 0
9 to the 2nd power would = 81.
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Multiply or divide as indicated <br> b^3 x b^-3
Andru [333]

The domain: b\neq0

Method 1.

Use\ a^n\cdot a^m=a^{n+m}\\\\b^3\cdot b^{-3}=b^{3+(-3)}=b^{3-3}=b^0=1

Method 2.

Use\ a^{-n}=\dfrac{1}{a^n}\\\\b^3\cdot b^{-3}=b^3\cdot\dfrac{1}{b^3}=\dfrac{b^3}{b^3}=1

7 0
3 years ago
Solve. x – 6 = 14 – 8 0 12 20 –12
lana [24]
The answer is 12 because first we have to simplify 14-8 to 6 so it will be
x-6=6
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7 0
4 years ago
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deff fn [24]
X + y = 4...x = 4 - y

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x - 8 = 4
x = 4 + 8
x = 12

solution is : (12,-8)
7 0
3 years ago
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Troyanec [42]

Answer:

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Step-by-step explanation:

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ehidna [41]

the answer is B. 244

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