Arithmetic

The average distance between the Sun and a certain planet is approximately 2.3 x 10^14 inches. Which of the following is closest to the average distance between the Sun and the planet, in kilometers?

Which of the following is closest to √ 4.2 (1 , 590) 15.7 − − − − √ ?

The product of all the prime numbers less than 20 is closest to which of the following powers of 10 ?

Last month a certain music club offered a discount to preferred customers. After the first compact disc purchased, preferred customers paid $3.99foreachadditionalcompactdiscpurchased.Ifapreferredcustomerpurchasedatotalof6compactdiscsandpaid$15.95 for the first compact disc, then the dollar amount that the customer paid for the 6 compact discs is equivalent to which of the following?

4.8 * 10 9 − − − − √ 4.8 * 10 9 is closest in value to

If 893 × 78 = p, which of the following is equal to 893 × 79?

What is the tenths digit of the quotient when thirty-five hundredths is divided by four thousandths?

1 3 + 1 2 − 5 6 + 1 5 + 1 4 − 9 20 = 1 3 + 1 2 − 5 6 + 1 5 + 1 4 − 9 20 =

At a certain instant in time, the number of cars, N, traveling on a portion of a certain highway can be estimated by the formula N = 20 L d 600 + s 2 where L is the number of lanes in the same direction, d is the length of the portion of the highway, in feet, and s is the average speed of the cars, in miles per hour. Based on the formula, what is the estimated number of cars traveling on a 1/2-mile portion of the highway if the highway has 2 lanes in the same direction and the average speed of the cars is 40 miles per hour?

1 + 1 3 − 1 + 1 2

(0.0036) (2.8) (0.04) (0.1) (0.003) =

The sum 7 8 + 1 9 is between

1 0.75 − 1 =

1 2 + 2 3 * 3 8 4 − 9 16 .

0.1 + 0.1 2 + 0.1 3 =

A certain country had a total annual expenditure of $1.2 x 10^12 last year. If the population of the country was 240 million last year, what was the per capita expenditure?

When 1/10 percent of 5,000 is subtracted from 1/10 of 5,000, the difference is

Last year, for every 100 million vehicles that traveled on a certain highway, 96 vehicles were involved in accidents. If 3 billion vehicles traveled on the highway last year, how many of those vehicles were involved in accidents?

If x = -1, then (x^4 - x^3 + x^2)/(x - 1) =

If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 2 miles?