Answer is -8
(photo shows step by step)
The answer is:
Rounded to the nearest whole number, there are 40 electrons in an atom of Zirconium.
I hope this helps :D
Answer:
(1) 20%
Step-by-step explanation:
→ Find the difference in price
200 - 160 = 40
→ Divide difference by original price
40 ÷ 200 = 0.2
→ Multiply the answer by 100
0.2 × 100 = 20%
