Answer:80
Step-by-step explanation:
31.205= 31
4.97=5
1.925=2
31*5/2=155/2=77.5=80 (1 significant figure)
The answer is going to be B.
.05 percent taxes if you spend 40 and 2 dollar worth of taxes
Answer:
Round up all costs
Least expensive: $6
Most expensive: $13
Half (half of 12 people is 6) ordered $10 calculators so 6x10=$60
Other half
(6+13)/2= $9.5 round up to $10 so 6x10=$60
$60 + 60=$120 best estimate $125
Step-by-step explanation:
