which is the best estimate of $-14\\frac{1}{9}(-2\\frac{9}{10})$?\n-42\n-28\n28\n42
which is the best estimate of $-14\\frac{1}{9}(-2\\frac{9}{10})$?\n-42\n-28\n28\n42
Answer
Explanation:
Step1: Round the numbers
Round $- 14\frac{1}{9}$ to $-14$ and $-2\frac{9}{10}$ to $- 3$.
Step2: Multiply the rounded numbers
$(-14)\times(-3)=42$.
Answer:
42