Answer:
4/5
Step-by-step explanation:
((2/5)/(1/2))×1
= (2/5)÷(1/2)
= 2/5×2/1
= 4/5
"contiguous United States" refers to the lower 48 states.
I believe it's 9
The best estimate for 43x78 is 40x80
43 rounded to the nearest ten is 40.
78 rounded to the nearest ten is 80.
The answer to 40x80 is 3200