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Which of the following is an integer? $\newline$ Choices: $\newline$ (A) $\frac{9}{5}$ $\newline$ (B) $\frac{9}{8}$ $\newline$ (C) $\frac{10}{3}$ $\newline$ (D) $8$

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Multiplication with rational exponents

Full solution

Q. Which of the following is an integer?

\newline

Choices:

\newline

(A)

\frac{9}{5}

\newline

(B)

\frac{9}{8}

\newline

(C)

\frac{10}{3}

\newline

(D)

8

Evaluate Choice (A): Step $1$ : Evaluate each choice to see if it is an integer. $\newline$ Start with choice (A) $\frac{9}{5}$ . $\newline$ Calculate $9$ divided by $5$ . $\newline$ $\frac{9}{5} = 1.8$
Evaluate Choice (B): Step $2$ : Move to choice (B) $\frac{9}{8}$ . Calculate $9$ divided by $8$ . $\frac{9}{8} = 1.125$
Evaluate Choice (C): Step $3$ : Check choice $C$ $\frac{10}{3}$ . $\newline$ Calculate $10$ divided by $3$ . $\newline$ $\frac{10}{3} = 3.333\ldots$
Evaluate Choice (D): Step $4$ : Finally, evaluate choice $D$ $8$ . Since $8$ is a whole number, it is an integer.

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