Mathematics for IGCSE & O level - Estimation (Section 3 - No. 2)
What is the approximate value for 52417 rounded to 2 significant figures?
52,000
53,000
52,400
52,500
ব্যাখ্যা
Round to two significant figures by looking at the 3rd. Because 4 is less than 5, we round down to 53,000.