Math Tutor Explains: What is 99 to the Power of 87?

A math tutor would explain that to solve for 99 to the power of 87, we must first understand the structure. The number 99 is called the base, and the number 87 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: 99 to the Power of 87 is equal to 417120879933220675381816712512036545138912699084280583663207213807936364408333206792708310813441891301021083287536733543359096141318739253639335503708346305283597086457598699

Methods

Step-by-step from math tutor: finding 99 to the power of 87

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:

998799^{87}

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

99 x 99 x 99 x 99 x ... (for a total of 87 times) = 417120879933220675381816712512036545138912699084280583663207213807936364408333206792708310813441891301021083287536733543359096141318739253639335503708346305283597086457598699

Therefore, 99 to the power of 87 is 417120879933220675381816712512036545138912699084280583663207213807936364408333206792708310813441891301021083287536733543359096141318739253639335503708346305283597086457598699.

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