10. Un átomo de potasio tiene 19 protones en el núcleo y 20 neutrones. A partir de estos datos, a) ¿Cuál será su número atómico?
1 answer:
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<h2>Hello!</h2>
The answers are:
The possible values for x in the equation, are:
First option,
Second option,
To solve the problem, we need to remember the following properties of the exponents and roots:
Then, we are given the expression:
So, finding "x", we have:
Hence, the possible values for x in the equation, are:
First option,
Second option,
Have a nice day!
Answer:
Step-by-step explanation:
a). tan(75°) =
=
k =
k = 2.947
k = 2.95 cm
b). cos(52°) =
s =
s = 25.988
s ≈ 25.99 cm
c). sin(5°) =
=
q =
q = 184.727
q ≈ 184.73 cm