(5)21 x (4)11 = (5)11 x (5)10 x (4)11 = (5)10 x (5 x 4)11 = (5)10 x (20)11 =(5)10 x 20 x (20)10 = 20 x (5 x 20)10 = 20 x (100)10 = 2 x (10)1 x (10)20 =2 x (10)21 = 2,000,000,000,000,000,000,000
2 x 10^11 x 2 x 10^11 = 4 x 10^22, or 40 sextillion
233.3333
Any 4 from 11 is calculated as 11!/(11 - 4)! x 4! The ! sign means factorial so the calculation simplifies to (11 x 10 x 9 x 8)/(4 x 3 x 2) = 11 x 10 x 3 = 330.
11 = (1 x 10) + (1 x 1)
x = (1/10)/(10/11) (* means multiply) > x = ((11*1)/(11*10))/((10*10)/(10*11)) > x = (11/110)/(100/110) > x = 11/100 > x = 0.11
-1
x-21 = -10 x = -10+21 Solve for x... -10+21= x x=11 Plug 11 into original equation and see for yourself! Dana from USM in MS. x = 11
(5)21 x (4)11 = (5)11 x (5)10 x (4)11 = (5)10 x (5 x 4)11 = (5)10 x (20)11 =(5)10 x 20 x (20)10 = 20 x (5 x 20)10 = 20 x (100)10 = 2 x (10)1 x (10)20 =2 x (10)21 = 2,000,000,000,000,000,000,000
No, the product of two 11's is 121To help visualize this:11 x 1 = 11 (1 higher than 10 x 1)11 x 2 = 22 (2 higher than 10 x 2)
lcm(10, 11, 50) = 550 10 = 2 x 5 11 = 11 50 = 2 x 5² lcm = 2 x 5² x 11 = 550
10 x 11 = 110
Since the resident has 11 chances, the vice president has 10 chances, and the treasures has 9 chances, then there are 11 x 10 x 9 = 990 way of choosing them. Or, 11P3 = 11!/(11 - 3)! = 11!/8! = (11 x 10 x 9 x 8!)/8! = 11 x 10 x 9 = 990
2 x 10^11 x 2 x 10^11 = 4 x 10^22, or 40 sextillion
1 x 11 = 11 2 x 11 = 22 3 x 11 = 33 4 x 11 = 44 It looks like you just put the same number that you multiplied by 11 behind the original number... until you multiply by 10. 10 x 11 = 110 11 x 11 = 121
You can write a system of equations to make this easier. 10 - x = y 10 * x = y We don't know what the "mystery number" is, but we do know that it equals the same thing both ways, so we can write two equations in the same two variables-x is the mystery number, and y is the result both times. In fact, since these equations equal the same thing, we can reduce this to one equation… 10 - x = 10x …and solve it: 10 = 10x + x 1 = x + (x/10) 1 = (10x/10) + (x/10) 1 = 11x/10 10 = 11x x = 10/11 So our number is 10/11. You can verify this by trying it in the original question: 10 - 10/11 = 110/11 - 10/11 = 100/11, and 10/1 * 10/11 = 100/11.
(X/3) - 11 =10 X/3 = 21 X = 63