What is x equal to in this equation

5

Step-by-step explanation: To solve for x in this equation, we want to get x by itself on the left side of the equation.

Since x is being multiplied by 1.2, to get x by itself, we need to divide by 1.2 on the left side of the equation. Since we divided by 1.2 on the left side, we must also divide by 1.2 on the right side.

On the left side, notice that the 1.2's cancel out so we are simply left with x. On the right side, we have 6 ÷ 1.2 which is 5 so we have x = 5.

Finally, remember to check your answer by substituting a 5 back into the original equation.

So we have 1.2 (5) = 6 which is a true statement so our answer is correct.

Remember to show all your work when solving equations.

the largest number of the four options is 1.8 x 10-2

you have it in scientific notation.

1.80 x 10-6   = 0.00000180

1.80 x 10-4   = 0.000180 (bigger, or "less small", than the former one)

so

1.8 x 10-2       = 0.0180. as you see. the "less small", or the biggest one of them all.

as you have negative exponent, it means you are dividing 1.8 by 100 (i.e. moving the dot towards left, two times).

if you had positive exponent for the scientific notation, power of tenths, you would be multiplying times 100 (moving the dot towards right) as below:

1.8 x (10)2 = 180

so. if you have negative exponent in scientific notation, move the dot toward left. if it is positive, toward right as many times the exponent tells you.