Simplify :
45×135÷5325
We first convert mixed fraction into improper fraction,
45×135÷5325=45×85÷12825=45×85×25128
=4×8×255×5×128=8003200=14 (∵ dividing numerator and denominator by 800)
Fill in the blanks :
Exponential
Form
What number will replace '*' mark?
45=*20