It gets you closer to your answer.
Ex: 11×2-- Round 11 to 10 and then multiply and get 20. But if you get some answer like 50, you know it is wrong. But the answer is 23
Answer:
The number of protons
Step-by-step explanation:
Its the correct answer
It’s the first one
3(6)-1/2(6)+1
Please write out the entire question so we can do our best to help assist you in finding the most logical answer.
Hope this helps!
