Data Science - Summary Statistics - Variance and Standard Deviation

Question

Data Science
Summary Statistics
Variance and Standard Deviation
If the variance of a dataset is 49.0, what would the standard deviation be, written as a float?
already search the https://www.sololearn.com/Discuss and google but no enlight for this question
thanks

Answer 1

squared 49.0 = 7.0
answer is 7.0
thanks

Answer 2

Variance squared is Standard Deviation