Answer:
the answer is 8,000.
Step-by-step explanation:
643 is your answer
Bc it isn’t any coordinated
The answer is b Im sure of it
Since the sides are congruent so are the angles (SSS) so 3x+3x+3x=180 because all the angles in a triangle add up to 180 degrees
9x=180
X=20
So the answer is x =20
The significant figures are those digits that carry meaning contributing to its precision and includes all digits except: leading and trailing zeros that are placeholders or scales and spurious digits. 546.000 has 3 significant figures.