A shop is selling notebooks for £1.50 each. They have a buy one get one free offer on. How many notebooks can be brought for £22?

Will give find an equivalent function to f(x)=5(2)^3x. the 5(2)^3x means 5(2) to the 3x power answer choices: a: f(x)=125^x(8)^x b: f(x)=10^2x c: f(x)=40^x d: f(x)=5(8)^x

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

What expression is equivalent to 42x-56y