Answer:
7
Step-by-step explanation:
because we know that a=3 so then 3a=9
9-b=c
b=2
9-2=c
c=7
Answer=B
proving:
503,000 > 10
so we look for a number
less than 10
=5.03 ×10-5
the other three zeros are not
needed.
Thank you
-10
- x + = -
-5 x 2 = -10
d.
