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What is 3² *3ˣ = 3⁷. Find the value of x?

1 Answer

5 votes

Answer:

x = 5

Explanation:

When two numbers of the same base (3, here) are multiplied, their exponents are added. For 3^2 * 3^x to be equal to 3^7, the exponents are added. So we can write:

Add the exponents: 2 + x = 7

x = 5

3^2 * 3^5 = 3^7 Correct. x is 5

User Burktelefon
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