HELP 100 POINT FAST (NO WRONG ANSWER) + BRAINLIEST TO WHO EVER ANSWERS FIRST U^U
2 answers:
Answer:

Step-by-step explanation:

<em>n</em> → exponent, means to multiply the base number by itself <em>n </em>no. of times.
Here we multiply the base number by itself 4 times.

Answer: A.
To expand a exponent, you'll find the number how much it powers by and expand it by what the power or exponent number represents.
The fraction is 2/3 and the exponent is 4. Like I've said before, to expand it you'll find the number how much it powers by.
In the equation, 2/3 is going to the 4th power, so we will expand the fraction 4 times.
2/3 × 2/3 × 2/3 × 2/3
is 2/3 to the 4th power in expanded form.
Hence, A is the answer.
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- Step-by-step explanation:
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Answer:
1400π m³
Step-by-step explanation:
V = BH
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<span>x intercept when f(x) = 0
so
</span><span>x^2-81 = 0
x^2 = 81
x = + 9 and x = -9
Answer
</span><span>C -9</span>