## Which expression is equivalent to 44 ⋅ 4−9? 413 45 fraction 1 over 4 to the power 13 fraction 1 ove

Question

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## Answers ( No )

We are given expression: ·.

We can see that, we have both bases same.

Beses are 4 but we have different exponents.

When bases are same, we need to apply

product rule of exponents.According to this rule, we need to keep same base and

add the exponentsonly.Let us apply same rule in the given expression.

=

Now, let us apply

negative exponent rule.According to negative exponent rule,

the negative exponent term goes in denomiantor by changing the negative exponent to positive exponent.Therefore,

So,

the 4th option is correct.D)