Answer:
it's the 2nd answer.....
(7×7×7×7×7)(7×7×7×7×7)(7×7×7×7×7)
Step-by-step explanation:
Properties of exponents state that in this case, the exponents multiply together. So, 5×3 is 15. Now it is
Let x equal “a number”
3x+5=9
diameter of human hair is around 0.0025cm
in scientific notation it is: 2.5x10^-3
