A red blood cell is 7 x 10 -6m in diameter. There are about 2 x 10-13 red blood cells in a 125-lb person. if all of the ref blood cells were lined up end to end, how long would the line be? write your answer in scientific notation i need help please

If jaime wants to find 60% of 320, which table should he use?

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

2/3(-6y+9x) expand each expression using the distributive property