Find the unit rate of 405 rotations in 5 minutes.
81 rpm
405 rpm2
810 rpm
135 rpm

And explain how you got it so i can understand future problems : 3

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5