How many times larger is 9 × 10^7 than 3 × 10^6?

a. 30
b. 0.3
c. 300
d. 3

A. 30.

Step-by-step explanation:

9 x 10^7 = 90,000,000

3 * 10^6 = 3,000,000

Dividing we get 90/3

= 30.

560

hope this : )

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.