What is 2³ I need a example

Mathematics

1 answer:

Sav [38]4 years ago

4 0

Answer: 8

Step-by-step explanation: That digit above the 2 is a exponent. It represents the number of times 2 is multiplying itself. This is simply 2x2x2. 2x2x2=4x2=8

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a basketball player shot 13 out of 52 free throws what is the percent he made/missed? (Please explain how you did it)

Rama09 [41]

The basketball player made 25%. I found this by dividing 13 by 52 and then moving the decimal point over.

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3 years ago

The graph represents the function g(x). Suppose that f(x) = -x. Which is true when comparing the range of f(x) to g(x)?

Inessa05 [86]

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4 years ago

Sum n=3 ^ infty (2n+5)<br>find the series shown

Margarita [4]

<h3>Answer: Choice C) 11 + 13 + 15 + 17 + ...</h3>

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Explanation:

We're adding terms in the form (2n+5)

The first term is when n = 3, so

2n+5 = 2*3+5 = 6+5 = 11

The next term is when n = 4, so

2n+5 = 2*4+5 = 8+5 = 13

The next term is when n = 5, so

2n+5 = 2*5+5 = 10+5 = 15

And so on

This means,

$\displaystyle \sum_{n=3}^{\infty} (2n+5) = 11+13+15+17+\ldots$

which matches with choice C. The three dots indicates the pattern goes on forever.

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Choice B does not have these dots, so that's why choice B is not the answer. If we replaced the infinity symbol with 7, then choice B would be the answer.

I.e,

$\displaystyle \sum_{n=3}^{7} (2n+5) = 11+13+15+17+19$