Well first following pemdas we do 3 to the 2nd power so 3*3 = 9
then we do 9 * 2 = 18
then our problem looks like this 1 + 18 - 5
so 1 +18 = 19
then 19 - 5 = 14 so our answer is 14
There are a bunch of ways to do it but a couple would be 4 tens and 9 ones, or 49 ones. I hope this was helpful.
Answer:
Step-by-step explanation:
x²+20x-12=0
a = 1, b = 20, c = -12
Powers of 10 will only contain 1s and 0s