Which of the following expressions is written in scientific notation?

73.4 * 10^5

0.09*10^7

80*10^3

4.22*10^-3

18/x=-2 what number does x represent

Lisa's penny bank is 7 10 full. After she removes 240 pennies, it is 1 2 full. How many pennies can Lisa's bank hold?

Rounding to the nearest whole number 99.59 show work

4 times a number subtracted from 9 is twice the number find the number

How to round 2,605 to the nearest hundred

Which number has a factor of 3 and a factor of 19

Jorge solves the equation 4x - (x+2) + 6=2 (3x+8) using the steps below. Step 1: 4x-X+2+6 - 6x+16 Step 2: 3x+8-8x+16 Step 3. 8-16-8-3x Step 4-8-3x Step 5: - nto the original equation for x.

good job on increasing our team sales from 90 to 130 units per day." wow i never thought that we could increase our sales by

Solve the equation. 2 (3z-2) + 8=34 A. z=3 B. z=-3 C. z=-4 D. z=5

Find the solution to the system of equations. -2x+2y=-4 3x+3y=-18