Can someone help with this Problem? It is about Evaluating expressions using properties of exponents. Would help a lot. Attachment below

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

An angle that measures between 90 and 180° is called a(,