What is the Square Root of 42?
The square root of 42 (√42) is 6.480741. 42 is an irrational square root rounded to 6.480741.
Exact Answer
√42 = 6.480741
Principal Root (√42)
6.480741
Real Roots
±6.480741
Perfect Square?
No (Irrational)
Exponential Form
42^(1/2)
Step-by-Step Solution: √42 = 6.480741
Step 1
Definition of Square Root
The square root of 42 is the number y such that y × y = 42.
√42 = 6.480741
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Principal Root (√42) | 6.480741 |
| Real Roots | ±6.480741 |
| Perfect Square? | No (Irrational) |
| Exponential Form | 42^(1/2) |
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Frequently Asked Questions
Is 42 a perfect square?
No, 42 is not a perfect square; its decimal approximation is 6.480741.