The data below show battery life, in hours, for different brands of batteries
10
12
14
9
10
11
10
21
18
10
14 22

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

How do i multiply two digit numbers

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244