Answer:
70
Step-by-step explanation:
because 70 times 6 equals 420
It’s c you add the exponents
Why not look up "standard deviation" yourself, to be sure? But yes, the std. dev. is the sqrt of the variance.
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
Answer:
the answer is x ≥ 3, just put the line under the sign and your good
Step-by-step explanation: