Answer:
x = 4
Step-by-step explanation:
Since the triangle is right, solve for x using Pythagoras' identity, that is
x² = 8² + 4² = 64 + 16 = 80
Take the square root of both sides
x =
=
=
×
= 4
← exact value
This is invisible math but a whole bumber cant be converted to a decimal because if you were to see the whoole thing it would be 400.0
Answer:
One mole of lithium (Li) is equal to 6.022 X 1023 atoms of lithium.
Answer:
$30
Srry if its wrong
Step-by-step explanation: