Explain why 51.2 divided by 6.4 has the same value as 5.12 / 0.64​

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000