Pls answer the question in the picture below plss

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

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

To decrease an amount by 16% what single multiplier would you use