Can you help me identify where I went wrong? I'm having trouble understanding this concept and I need to in order to understand what I will be learning next, thank you!

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

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

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.