Question

Y2=(4*10^7)(7*10^7) rounded to the nearest million​

Answer 1

Solve for y:

y^2 = 2.8×10^15

Take the square root of both sides:

Answer: y = 5.2915×10^7 or y = -5.2915×10^7

or y= 5,2915,000 y = -5,2915,000

Explanation: