Which expression is equal to 2−√ 32 ? 8i√2 −8√2 8√2i −8i√2

The expression which is equal to 2√-32 is; 8i√2

According to the question, we have been given the radical expression; 2√-32

First, the expression can be evaluated as follows;

We must recall that, In complex numbers, √-1 = i.

Therefore, the expression which is equal to 2√- 32 is:. 8i√2

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A.

Step-by-step explanation:

We have been given a radical expression . We are asked to find equivalent expression to our given expression.

Using radical rule , we can write as product of .

Substitute :

Therefore, the equivalent expression would be .

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step-by-step explanation:

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls