Step-by-step explanation:a year is 12 months, and mile round trip means there and back. so 532x24 for the 24 trips that equals 12768. 12768 rounded to the nearest hundreds is 12800
The expanded form for this problem is <span><span> 200,000 </span><span>+90,000 +30,000</span><span>+7,000 </span><span>+50 </span><span>+8<span> </span></span></span>
