Multiple with regrouping

3. The mass of the sun is 1.989x10 kilograms. The mass of the earth is 5.98x102 kilograms. How many times bigger is the sun than the earth? With steps

What two numbers multiply to 80 and add up to 9?

If you know the area of a rectangle can you predict its perimeter? Explain

What should be the number in the following series? 3 6 4 7 5 8

Does commutative property use multiplication and subtraction?

Combine terms: 12a + 26b - 4b - 16a. (a) 4a + 22b, (b) - 28a + 30b, (c) - 4a + 22b, (d) 28a + 30b. Solution: 12a + 26b - 4b - 16a. = 12a - 16a + 26b - 4b. = - 4a + 22b.

Sue wrote the number 43,671. jack also wrote a 5 digit number. Jack's number has only one 3 in it. the 3 in jack's number is worth 10 times as much as the 3 in sue's number. write two different numbers that jack could have written.

A beekeeper's hives are making Honey at a constant rate. The profit from honey can be represented by the equation P (t) = - 16t^2 + 2050t + 150, where t is the time in days and P (t) is the profit the beekeeper receives.

Complete the input-output table for the linear function y = 3x. Table XY a = b = c =

Choose one of the factors of 27x^3 + 512y^3. a. 3 b. 3x - 8y c. 9x^2 - 24xy + 64y^2 d. 9x^2 + 24xy + 64y^2