Answer:
there are four significant figures
Step-by-step explanation:
zeros to the right of a non zero digit are ambiguous
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√(-√2-(-√2))²+(√3-2√3)²= 3
Answer:
f
Step-by-step explanation:
I'm pretty sure it's f from what I know
Answer:
Option A is correct
and 
Step-by-step explanation:
Given the functions:


then;
combine them to create an arithmetic sequence i.e,

⇒
where n is the number of terms
To find the 31st term.
Substitute n =31 we have;

⇒
Therefore, we have an arithmetic sequence,
and 