What is the Square Root of 78?
The square root of 78 (√78) is 8.831761. 78 is an irrational square root rounded to 8.831761.
Exact Answer
√78 = 8.831761
Principal Root (√78)
8.831761
Real Roots
±8.831761
Perfect Square?
No (Irrational)
Exponential Form
78^(1/2)
Step-by-Step Solution: √78 = 8.831761
Step 1
Definition of Square Root
The square root of 78 is the number y such that y × y = 78.
√78 = 8.831761
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Principal Root (√78) | 8.831761 |
| Real Roots | ±8.831761 |
| Perfect Square? | No (Irrational) |
| Exponential Form | 78^(1/2) |
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Frequently Asked Questions
Is 78 a perfect square?
No, 78 is not a perfect square; its decimal approximation is 8.831761.