Rewrite each division problem as a multiplication problem and solve. 6.3 divided 0.9 equals what

Question

asked Jul 10, 2020 117k views

1 Answer

Kirti · Answer 1 · 2020-07-15T09:39:00+0000

You can write both numbers as fractions:

$6.3=(63)/(10),\quad 0.9=(9)/(10)$

Dividing by a fraction is the same as multiplying by its inverse, so we have

$(63)/(10)/ (9)/(10)=(63)/(10)\cdot(10)/(9)$

We can cross-simplify the 10's and we have

$(63)/(10)\cdot(10)/(9)=(63)/(9)=7$