+14986 solve (3*10^8)/(430*10^-9) without using a calculator?
\(\large\frac{3*10^8}{430*10^{-9}}=\frac{3*10^{17}}{430}=\frac{3*10^{16}}{43}=\frac{300*10^{14}}{43}\)
3 0 0 . 0 0 0 : 43 = 6.9767
2 5 8
4 2 0
3 8 7
3 3 0
3 0 1
2 9 0
2 5 8
3 2 0
\(\large\frac{300*10^{14}}{43}=6.9767\times10^{14}\)
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