9/10 of 20 = 18
(18 x 9) - (19 x 8) = 10
7 x 10^9 x 10^9 = 7 x 10^18 = 7 quintillion
9*200000000000000=1800000000000000. (9*2*10^14= 18*10^14)
2x - 8 = 10 2x = 10 + 8 2x = 18 x = 18 / 2 x = 9
1 eight or 2 fours. 9 twos is 9 x 8 = 18 1 ten is 1 x 10 = 10 9 twos less 1 ten is 18 - 10 = 8 = 1 x 8 = 2 x 4
10 x 18 = 180 9 x 18 = 162 176 - 162 = 14 Answer: 9 times with 14 remaining
6 does not matter as 18 is a multiple (6 x 3 = 18) 9 does not matter as 18 is a multiple (9 x 2 = 18) the multlples of 18 are 36 54 72 90 108 126 and so on ... not one but two answers, either 72 or 90 . 72 = 18 x 4 = 9 x 8 = 6 x 12 90 = 18 x 5 = 9 x 10 = 6 x 15
These: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 Multiplied as: 1 x 90, 2 x 45, 3 x 30, 5 x 18, 6 x 15, 9 x 10, 10 x 9, 15 x 6, 18 x 5, 30 x 3, 45 x 2, 90 x 1
5/9 x 18 = 10
(-6) x (-3) = 18 (-10) x (-9) = 90 18 - 90 = -72
The LCM of 18, 10 and 12 is 180. 18 = 2 x 3^2 10 = 2 x 5 12 = 2^2 x 3 lcm = 2^2 x 3^2 x 5 = 180