Alexis paid $50 to activat her cell phone plus a service fee of $20 per month . she used the phone for 3 months . how much has she paid for phone service ?

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?