Perform the transformations

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.