Answer:
Step-by-step explanation:
1. 1.67e-27
2.910938291e-31
The 21 part repeats
it can be represented as 21/99
it's rational
Step-by-step explanation:
first one c/a
second one b/a
Algebra is solving for the unknown so
if you have 10 apples and you give 5 to your friend, how many apples would you have so that is also 10-5=x solve for x
or it could be more complicated like (x-2)/6+4x-3=17
Answer:
9/20
Step-by-step explanation: