How to write 80,000,000+4,000,000+100+8 in standard form

What is the answer 9c-5=13?

The digits 1, 2, 3, and 4 are used to make a 3-digit number. Each digit can be repeated. What is the total number of 3-digit numbers that can be made using these digits?

What is the set of all possible outcomes of a probability experiment?

What is the Ratio of 18:24, 4:70, 35:105, 22:7, 12:165, In fractions in their Simplest form?

Which is a good comparison of the estimated sum and the actual sum of 7 10/12+2 11/12

5 weeks to 40 Days ratio as a fraction in simplest form

Anna went from home to school with the speed 3 km/hour. She ran back home with the speed 6 km/hour. Her sister Olga went to school and back with the same speed, and she spent as much time on the road as Anna. What was Olga's speed?

A pineapple is 7 times as heavy as an orange. the pineapple also weight 870 grams more than orange what is the total weight in grams for the pineapple and orange

what is the answer to 8 1/3 times 1/3

Water tank A has a capacity of 550 gallons and is 66% full. Water tank B is 53% full. The ratio of the capacity of the tank A to tank B is 11:15. How much water is in tank A? What is the Capacity of the tank B? How much water is in the tank B?