It would be rounded to 20.
hope this helps you
1,980 the anwser is right their at least that seems about right if I have calculated it correctly
Answer:
C (n - 15 = 4)
Step-by-step explanation:
This is the answer becuase it can be rewritten as:
n - 4 = 15 (by subtracting 4 from both sides and adding 15 to both sides);
this equation describes the "written" (verbal) equation.
The answer is b ...........................
Answer:
36
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Simplifying the radicals in the expression

= 
=
×
= 2

= 
=
×
= 4
Thus
4
+ 7
= 4 × 2
+ 7 × 4
= 8
+ 28
= 36