Evaluate. 7^3
a) 21
b) 49
c) 81
d) 343

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi