How to simply and write the answer n a whole number

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

Find the ratios of the corresponding sides

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.