The GCF is 80.
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The GCF is: 16
70% of 800= 70% * 800= 0.7 * 800= 560
gcf(440, 560) = 40 Using prime factorisation: 440 = 2³ x 5 x 11 560 = 2⁴ x 5 x 7 hcf = 2³ x 5 = 40
1% of 560 = 1% * 560 = 0.01 * 560 = 5.6
4 percent of 560 = 22. 4% of 560 = 4% * 560 = 0.04 * 560 = 22.4