When working with pie charts, what should the sum of the pieces equal?

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

Drag the tiles to the correct boxes to complete the pairs. using the properties of integer exponents, match each expression with the correct equivalent expression.