Write the number 0.099 in scientific notation.

99*10^(-3)

Step-by-step explanation:

When you get a decimal you always have to have a negative when with powers of 10 and 99 is like the decimal 99.0 and if you move the decimal over 3 times you get 0.099

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.