Answer:
Yeah, I got it, y'all keep postin' this, Lol
Step-by-step explanation:
Thx yous
Move the decimal place to the right if the exponent is positive, and left is the exponent is negative. Add additional zeros if needed.
Gotta analyze the answer
then go and multiply them both thats what i think
Let in t hours, they are at 270 miles apart .
After t hours, Dave traveled

And Mary traveled ,

So the equation is

That is at 1 pm, they are 270 miles apart. And the correct option is A .