Then the number is 20.5
8x8=64
It is: 8 times 8 = 64
negative 64 is not a prime number because 64 can be times by 8.
21 and 1/3 times 3 = 64
It is: 4*4*4 = 64
64/4=16
64
To find the number that can be multiplied by itself four times to equal 64, you need to find the fourth root of 64. The fourth root of 64 is 2, because 2 multiplied by itself four times (2 x 2 x 2 x 2) equals 64. Therefore, the number you can multiply by 4 times to get 64 is 2.
2.297397
-64 is 12 more than 4 times a number...-64 equals 12 plus 4 times an unknown number...sounds like an equation to me:-64 = 12 + 4x-64 -12 = 12 + 4x - 12-76 = 4x-76/4 = 4x/4-19 = xThe number you're looking for is -19.
The number is 1,000,000
68.75% decrease.