400=2*2*2*2*5*5
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20x20=400 40x10=400 5x80=400 2x200=400 1x400=400
400
16% of 400= (convert 16% to .16) .16 of 400= (in math of means multiply) .16 x 400= 64 Or divide 400 by 100 and multiply by 16, either way u get 64
To find 0.1 of 400, you multiply 400 by 0.1. This calculation results in 40. Therefore, 0.1 of 400 is 40.
Multiply 0.1 by 400 to get 40. This is how you find 10% of 400 without using proportion.