The output of a flashlight is 2.0 x 10 lumens. If 1 lumen is about 1.464 x 10 3 watts, then what is the output of the flashlight in watts?

A 7.32 x 10^-6
B 7.32 x 10^-5
C 2.93 x 10^-2
D 2.93 x 10^-1

Guys i really need or i have to stay late up night

Standard deviation of 19,29,21,22,23

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.