C.248,000
to find standard form if the power is positive move the decimal that many places to the right. If the power is negative move the decimal that many times to the left.
Let time is t
since they both went in opposite directions then the distance between them is the sum of the distance between each of them and the origin point
49t + 56t =420 is the equation
to solve: 105t = 420 , t = 4 hours
Answer:
it would be 140 . 40+3+140=180
Step-by-step explanation:
