CARS Once a particular electric car is plugged into a charger, it takes two hours for the battery to have a full charge. If you check the battery level randomly during a charge, what is the probability that the battery will be between 1/4 and 1/2 charged? ​

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.