40
The answer is 0.
1.6
The cube root of 512 is 8, the square root of 64 is 8, and the cube root of 343 is 7. Therefore, the expression simplifies to 8 divided by 8 times 7, which equals 7.
Negative 64 is the square root of an integer. The square root of -64 is not an integer.
0.75
0.1094
40
40
The answer is 0.
1.6
8
The square root of 2.56 is rational. This is because 2.56 can be expressed as 256/100, which simplifies to 64/25. The square root of 64 is 8 and the square root of 25 is 5, so the square root of 2.56 is 8/5, which is a rational number.
0.5
The cube root of 512 is 8, the square root of 64 is 8, and the cube root of 343 is 7. Therefore, the expression simplifies to 8 divided by 8 times 7, which equals 7.
square root of 64 is 8
The square root of 64 is 8