Sylvester says that 0.2015 written in scientific notation is 2.015 x 10 by the power of 6. do you agree with him? explain why or why not.

is not equal to

Step-by-step explanation:

When a power of 10 is positive the dot must be moved to the right, and when the power of 10 is negative, the dot must be moved to the left.

For example and

So

wich is clearly not equal to 0.000002015

the correct scientific notation for 0.000002015 must be:

With a negative in the power of 10, referring to a small quantity.

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify