Add 345 000 to 1.9 million - what is this answer expressed as scientific notion?

What is 99.96 as a fraction

I am an array made with 40 tiles I have an odd number of rows and an even number of tiles in each of my rows the number of my rows plus the number of tiles in each of my rows equals 13 how many rows do I have.

Solve the following equation. 2/3x + 6 = 1/2x + 1/4 x

If a train travels at 80 mph for 30 min, what is the distance traveled?

The population of the Wallingfried neighborhood has been growing steadily since 1981. In 1985, the population was 28000 people. In 1995, it was 38000 people.

It took Miguel 7 mins 38 secs to run one mile. It took Jorja 9mins 13 secs to run one mile. How many more seconds did it take to run one mile than Miguel

Each dimension of a parallelogram is multiplied by a positive number n. Write an expression for the area of the new parallelogram. Let b represent the base and h represent the height of the original parallelogram.

4 more than the product of 8 and n

Which is greater 0.6 or 0.06

Clarke borrows $16000 to buy a car he pays simple interest at an annual rate of 6% over a period of 3.5 years how much does he pay all together?