Check all that apply to determine the following conversion. 4 km = ? mm
•Move the decimal place over 6 until to the right
• Move the decimal place over 6 units to the left
•Divide 4 km by 1’000’000 to calculate mm
• Multiply 4km by 1’000’000 to calculate mm
• Add 1’000’000 to calculate mm
• Move the decimal place 6 units left, then 2 units to the right

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00