Which of the following is written correctly in scientific notation? 7.6 × 8 3.05 × 10^ 4 90 × 10^ 5 .46 × 10 -3

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

Five friends found a dollar on the ground and decided they each should get 1/5 of it. what amount of money will each friend get? $0.05 $0.20 $0.30 $0.80