2, 4, 6, 8, 12
3, 6, 9, 12, 15
5, 10, 15, 20, 25
give me brainlyist?
6 x 10^-3 because the decimal point is 3 place value units away from the 6, and scientific notation is a x 10^n, where n can be a positive of a negative depending on the number
No, this is not valid. In the picture below,

is a vertical angle with

. But

is not