gena wants to estimate the quotient of -21.87...
gena wants to estimate the quotient of -21.87 divided by 4.79. which expression shows the estimate using front - end estimation?\n-21÷4\n-21÷5\n-20÷4\n-20÷5
Answer
# Explanation:
## Step1: Identify front - end digits
For -21.87, the front - end digit is -20 (rounding to the tens place). For 4.79, the front - end digit is 5 (rounding to the ones place).
## Step2: Form the division expression
The division expression for front - end estimation is -20÷5.
# Answer:
-20÷5