What is the true solution in 20+in 5=2 in x?

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

4+(2+x) can you me solve this problem