Answer:
√37
Step-by-step explanation:
Scientific notation is usually written in powers of tens, in this case:
(x+1)+(3x-5)=180
4x-4=180
4x=184
x=46
3(46)-5
138-5
133
mZ133*
Answer:
A. Approximately 2000 times the mass of an electron.
Step-by-step explanation:
Lets do the division:
Mass of neutron / mass of electron
2 × 10^-24 / 9 x 10^-28
= 0.222 x (10^(-24 - (-28))
= 0.2222... x 10^4
= 2222.
By dividing both numbers by 25, it will be 1/4