- Fill in the missing factors to find the given estimated product.
a. 571 x 43 =
= 24,000
b. 726 x 674 -
= 490,000
X
C.
8,379 x 541 =
= 4,000,000
Does anyone know how to do this it’s 5th grade

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.