In 2010 , there were about 4 x 10^7 people living in california and about 1x 10^6 people in rhode island . about how many more people live in california than live in rhode island ?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)