Which number is not in scientific notation? a: 6 ⋅ 10^25 b: 2.01 ⋅ 10^−2 c: 1.3 ⋅ 10^−4 d: 0.5 ⋅ 10^3

What is a rational number between 9.5 and 9.7

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.