Choose the pairs that consist of measurements with different numbers of significant figures.
(i) 4.52×10⁴ km and 6.83×10⁶ km
(ii) 2.60×10⁵ L and 260 000 L
(iii) 740.0°C and 704°C
(iv) 0.00084 g and 8.4×10⁴ g

• A. (i) and (ii)
• B. (ii) and (iii)
• C. (iii) and (iv)
• D. (i) and (iv)
• E. (ii) and (iv)

Answer: (B)