Evaluate 64.764\(^2\) - 35.236\(^2\) correct to 3 significant figures
A
2960
B
2950
C
2860
D
2850
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
(64.764 - 35.236)(64.764 + 35.236)
= 29.528 x 100
= 2950 to 3 sig. fig.
Source: WAEC / JAMB / NECO Classroom Archive (Record #30783)