Answer:
Step-by-step explanation:
1. find out how many times 21 can go into 52 (answer- 2 times)
2. find the remainder (answer- 10)
3. put the remainder over 21 (10/21)
4. make it a mixed number (2 10/21)
4x2 - 9x - 8
5000 x 10 x 10 x 50 = 25000000
you can just use a calculator....