128
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51.2
4m2-256 = 0 Add 256 to both sides: 4m2 = 256 Divide both sides by 4: m2 = 64 Square root both sides to find the value of m: m = 8 Alternatively, if 4m is to be squared, and not just the m: (4m)2 - 256 = 0 16m2 - 256 = 0 16m2 -256 + 256 = 256 16m2 = 256 16m2/16 = 256/16 m2 = 16 √m2 = √16 m = ±4
256 = (16)2 256 = (2)8
256 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2Basically, just divide the number by prime numbers until you reach 1256 / 2 = 128128/ 2 = 6464 / 2 = 3232 / 2 = 1616 / 2 = 88 / 2 = 44 / 2 = 22 / 2 = 1
256 = 0.40x Divide each side by 0.4 x = 640 Check it. 640 x .40 = 256 It checks.