<span>1.6625 x 10−21</span>
<span>mass of one helium atom x 250 </span>
Express 250 as 2.50.
(6.65 x 10−24)(2.50 x 102)
16.625 x 10<span>−22</span>
(x - 10) × 2
You have to multiply it by 2 so that you get the area
1.46 is what google is saying just convert that to a fraction
Answer:
Irrational
Step-by-step explanation:
The number is irrational because when you convert it to decimal form, you get 276.4601... a repeating decimal that goes on and on.
The answer is 8 hoped that help always fell free to comment me if you have any more questions and always good luck
