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k would equal 8.

you add the powers on one side of the equation together so you should end up with 7 to the power of 11 then you minus 7 to the power 3 from the opposite side of the equation leaving you with 7 to the power 8 equals 7 to the power k. you can then see that k is the equivalent of 8.

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13y ago

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What does -5 to the -3 power equal?

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Actually, (3) raised to the (5)th power equals (243) because (3^5) is calculated as (3 \times 3 \times 3 \times 3 \times 3), which equals (243). To break it down, (3^2 = 9), (3^3 = 27), (3^4 = 81), and finally (3^5 = 243). Thus, (3^5 = 243) is correct.


What is 5 to the 3rd power simplified?

5 to the 3rd power, written as (5^3), is calculated by multiplying 5 by itself three times: (5 \times 5 \times 5). This equals 125. Therefore, (5^3) simplified is 125.


What 3 to the power of what equals 243?

To find what power of 3 equals 243, you can express 243 as a power of 3. Since (3^5 = 243), it follows that 3 to the power of 5 equals 243. Therefore, the answer is (3^5 = 243).


What number in the third power equals 125?

To find the number whose third power equals 125, we need to determine the cube root of 125. The cube root of 125 is 5, since (5^3 = 5 \times 5 \times 5 = 125). Thus, the number that, when raised to the third power, equals 125 is 5.


If 5 times 3 equals?

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What is 5 to the power of 3 times 5 to the power of 2 but written as a power of 5?

5 to the power of three times 5 to the power of 2 is equal to 5 to the power of 5. We know this because A^a times A^b equals A^(a+b). We know this by solving the problem manually. 5 to the power of 3 is equal to 5*5*5 and 5 to the power of 2 is equal to 5*5. when you multiply them, it becomes 5*5*5*5*5 which is equal to 5 to the power of 5.


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