Math Tutor Explains: What is 78 to the Power of 47?

A math tutor would explain that to solve for 78 to the power of 47, we must first understand the structure. The number 78 is called the base, and the number 47 is called the exponent. In short, the base must be multiplied by itself the number of times as the exponent. Let’s look at this problem in more detail.

Math Tutor's Solution: 78 to the Power of 47 is equal to 84809856124640963803679346407374171370055484544613268485369910178223123198708958743232512

Methods

Step-by-step from math tutor: finding 78 to the power of 47

The first step a math tutor would suggest is to understand what it means when a number has an exponent. The “power” of a number indicates how many times the base would be multiplied by itself to reach the correct value.

The second step is to write the number in the base-exponent form, and lastly calculate what the final result would be. Consider the example of 2 to the power of 4: in exponent form that would be

242^4
. To solve this, we need to multiply the base, 2 by itself, 4 times -
2⋅2⋅2⋅22\cdot2\cdot2\cdot2
= 16. So
24=162^4 = 16
.

So re-applying these steps to our particular problem, we first convert our word problem to a base-exponent form of:

784778^{47}

To simplify this, all that is needed is to multiply it out:

78 x 78 x 78 x 78 x ... (for a total of 47 times) = 84809856124640963803679346407374171370055484544613268485369910178223123198708958743232512

Therefore, 78 to the power of 47 is 84809856124640963803679346407374171370055484544613268485369910178223123198708958743232512.

Math Tutor Suggests: Try related exponent problems

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