The total land area of Russia is about 20,000,000 km^2, or 2 x 10^7 km^2. The total land area of Puerto Rico is about 10,000 km^2, or 2 x 10^2 km^2.

About how many times larger is Russia than Puerto Rico?

A. 2 x 10^-3 times
B. 19,990,000 times
C. 200 times
D. 2 x 10^3 times

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

What is an alternate exterior angle

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?