Convert 7.2 x 10-3 to standard form

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Predict which statements are true about the intervals of the continuous function. check all that apply

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3