3(4x - 2) = 30
12x - 6 = 30 <em>distributed 3 on the left side</em>
<u> +6 </u> <u>+6 </u>
12x = 36

x = 3
Answer: x = 3
Answer:
4 x 10^-2
Step-by-step explanation:
So the number is written in two parts:
Just the digits (with the decimal point placed after the first digit), followed by
× 10 to a power that puts the decimal point where it should be. In this case you would move the decimal two places back by multiplying it to the negative second power. I hope that helps! :D