How do you explain how you found 1,700,000×1/10

What is the base of 1/9 to the power of 2

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125