Solution: 98 to the Power of 7 is equal to 86812553324672
Methods
Step-by-step: finding 98 to the power of 7
The first step 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
2
4
2^4
2 4
. To solve this, we need to multiply the base, 2 by itself, 4 times -
2
⋅
2
⋅
2
⋅
2
2\cdot2\cdot2\cdot2
2 ⋅ 2 ⋅ 2 ⋅ 2
= 16. So
2
4
=
16
2^4 = 16
2 4 = 16
.
So re-applying these steps to our particular problem, we first convert our word problem to a base-exponent form of:
9
8
7
98^{7}
9 8 7
To simplify this, all that is needed is to multiply it out:
98 x 98 x 98 x 98 x 98 x 98 x 98 = 86812553324672
Therefore, 98 to the power of 7 is 86812553324672.
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