Start by mult. both 0.4 and 5.12 by 100. What is 40 divided by 512?
___.078_______________
512 / 40.000
3584
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4160
4096
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64 and so on. Calculator answer is 0.078125.
1.46 points put them all in to decimals so 4.26-3.5= .76 + .7 is 1.46
Surface area of cubic= 2( lb+bh+hl)
Length= 18 cm
Width= 5 cm
Height= 2cm