Answer:
there are 10 black pensoles
Step-by-step explanation:
Add every thing and u. Get 10.10 7x2 then 14. Then add 10 so u basically just in total get 14.10
Answer:
-0.523
Step-by-step explanation:
log(a/b)=loga-logb
log (0.3) can be written as log (3/10).
=log(3/10)
=log3-log10
=0.477-1 (log3=0.477 and log10=1)
= -0.523