Write an algebraic expression for each word phrase. 1) 4 more than p
2) 5 minus the product of y and 3
3) the quotient of m and 10
4) 3 times the difference of 7 and d

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

Answer this question only if you know the answer! 30 points and

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?