Answer :

the answer for the estimate is 140
  Estimation:

46 
÷ 6,730 
What you want to do is round the two factors to your ten's place. Then divide.

50 
÷ 6,730 ≈ 0.01 rounded to the hundreds place. 0.074294205 the entire answer without being rounded.

Quotient:

46 ÷ 6,725 = 0.07 rounded to the hundreds place. 0.00684014869 the entire answer without being rounded.