Question

use compatible numbers to estimate the missing factor. 379 × □ = 279,469 the missing factor is approximately ?.

Explanation:

Step1: Replace with compatible numbers

Round $379$ to $400$, round $279,469$ to $280,000$.

Step2: Set up estimated division

To find the missing factor, calculate $\frac{280000}{400}$

Step3: Simplify the division

$\frac{280000}{400} = 700$

Answer:

700