Answer:
17
Step-by-step explanation:
1. 3(5) + 2
2. 15 + 2
3. 17
Move decimal point to right side five times to get 5.7*10^-5. (5.7 multiply by 10 to the power of negative five) (This is the scientific notation)
The answer is supposed to be x=43 not x=42 because x=36+7 is equal to 43.
