Re: please help
raymatt said:
okay here is a couple problems can someone help me solve them
2 + 8 *2*2/4-8/ (3-2/2) + 2^ 3
(my answer is -2)
So where did I go wrong on these??????????
Follow the order of operations. Start with what's inside the parentheses, and remember that you'll need to do the division BEFORE the subtraction:
2 + 8 * 2 * 2 / 4 - 8 / (3 - 1) + 2^3
2 + 8 * 2 * 2 / 4 - 8 / 2 + 2^3
Next, take care of the exponents:
2 + 8 * 2 * 2 / 4 - 8 / 2 + 8
Now, do any multiplications and divisions in order from left to right:
2 + 16 * 2 / 4 - 8 / 2 + 8
2 + 32 / 4 - 8 / 2 + 8
2 + 8 - 8 / 2 + 8
2 + 8 - 4 + 8
Finally, do additions and subtractions in order from left to right:
10 - 4 + 8
6 + 8
14
So....I get 14 as the value of this expression. I've showed
every step individually. Hopefully you can follow the process.
For the other two problems, which involve A and C, were you given values to use for those variables? I can't help without knowing what those values are.
