according to the order of operations which step should be completed first in the following expression
6-3 *1^18 devided by 2 *4 plus 8
According to the order of operations, the expression should be solved in the following steps:
1. First, solve any operations inside parentheses, if there were any. In this expression, there are no parentheses.
2. Next, perform any exponentiation. In this expression, there is an exponent, which is 18.
3. Third, perform any multiplication or division from left to right. In this expression, we have the multiplication of 3 and 1.
4. Fourth, perform any addition or subtraction from left to right. In this expression, we have the subtraction of 6 and the multiplication from the previous step.
5. Finally, perform any remaining addition or subtraction from left to right. In this expression, we have the multiplication of 2 and 4, and then addition of 8.
Therefore, the first step to be completed is the exponentiation of 1^18.