Both Theodore Roosevelt & Woodrow Wilson. <span />
I'm pretty sure the answer is 4 because, 4*21= 84.
Gallon of milk: $3.49
3lbs oranges: $1.14(3) = $3.42
Box of cereal: $3.46
Front end estimation is taking the number in front and the rest of the numbers coming after it will be zeroes.
Using front end estimation:
$3.49 => $3.00
$3.42 => $3.00
$3.46 => $3.00
Add all these up; Shen estimated the total cost of the groceries would be $9.00.
Answer:
Step-by-step explanation: