The place value of 4 is TENS and so its value is 4 lots of ten or forty.
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640*4 = 2560
160 x 4 = 640, therefore 160 is 1/4 of 640.
The answer depends on the value of A.
The GCF is: 4.
x3+640=0?If that's the case, then you first want to move the 640 to the other side.x3=-640Then you take the cube root of -640 to find what x is. Or you can also write it as x=(-640) to the 1/3 power.x=(-640)1/3Which is equal to 4*101/3 or ≈(-8.618).