You keep the same sign. So:-
4 + 4 = 8 and
--4 + -4 = -8
Answer:0.18665
2.0.00602
3.
1.0000
Step-by-step explanation:
Answer:55
Step-by-step explanation:
55
Answer:

Step-by-step explanation:
It is given that,
The average distance between the Earth and the Moon is 384 400 km.
We need to express in in standard form.
1 km = 1000 m
It means,
384400 km = 384400000 km
or
= 
Hence, the average distance between the Earth and the Moon is
.