Look at this incomplete multiplication problem. 154 times 63 = 462. 462 + question mark = blank

The missing value is .___

80 points!

With #! i’ve tried to figure it out but i can’t.

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?