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Math

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PROBLEM

22×32 is  equal to 64\begin{array}{l} 2^{2} \times 3^{2} \text { is } \\ \text { equal to } 6^{4} \end{array} Is Dora correct?
Explain your answer.

STEP 1

1. We need to verify if 22×322^2 \times 3^2 is equal to 646^4.
2. We will use properties of exponents to simplify and compare both expressions.

STEP 2

1. Simplify the left-hand side expression.
2. Simplify the right-hand side expression.
3. Compare the simplified expressions.

STEP 3

Simplify the left-hand side expression 22×322^2 \times 3^2.
22=4 2^2 = 4 32=9 3^2 = 9 22×32=4×9=36 2^2 \times 3^2 = 4 \times 9 = 36

STEP 4

Simplify the right-hand side expression 646^4.
64=(6×6)×(6×6) 6^4 = (6 \times 6) \times (6 \times 6) =36×36 = 36 \times 36

STEP 5

Calculate 36×3636 \times 36.
36×36=1296 36 \times 36 = 1296

SOLUTION

Compare the results of the two expressions.
The left-hand side simplifies to 3636, while the right-hand side simplifies to 12961296.
Since 36129636 \neq 1296, Dora is incorrect.
The conclusion is that 22×322^2 \times 3^2 is not equal to 646^4.

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