Type a math problem or upload a photo, screenshot, handwritten question...
error msg
- Algebra
- Calculus
- Trigonometry
- Matrix
- Differential
- Integral
- Trigonometry
- Letters
Question
\sqrt{84}
Calculate the value
2\sqrt{21}
Alternative Form
\approx 9.165151
Evaluate
\sqrt{84}
Write the expression as a product where the root of one of the factors can be evaluated
\sqrt{4\times 21}
\text{Write the number in exponential form with the base of }2
\sqrt{2^{2}\times 21}
The root of a product is equal to the product of the roots of each factor
\sqrt{2^{2}}\times \sqrt{21}
Solution
2\sqrt{21}
Alternative Form
\approx 9.165151
Show Solutions
