The approximate measurements of the great pyramid of khufu are shown below.
230 m
230 m
what is the surface area of the pyramid?
86,020m2
138,920 m2
224 940 m2
2592100

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

$79500

step-by-step explanation:

75000÷100=750750×106=79500