Answer:
Option B
Step-by-step explanation:
The question can be solved without observing the masses and calculating them.
How?
- Periodic table law states that masses get increased in group and get decreased in period.
- Hydrogen is the 1st element so it has least mass.
Now
Only option B and D has Hydrogen at first.
Now coming to last elements Carbon and Gold
Gold is heavier as per periodic table.
So option B is correct
Answer:
3/8 is the probability
Step-by-step explanation:
1.50n - 50 = p
Explanation: 1.50n = profits from selling cupcakes. Subtract from cost to make cupcakes (50) to find profit.
Answer:
48.6
Step-by-step explanation:
(1÷5)×243=48.6