Calculate the following expression and express the answer with the correct number of significant figures: (6.022 x 10²³) x (3.0 / 2.5) + 1.2.

• A. 7.2 x 10²³
• B. 7.2264 x 10²³
• C. 7.23 x 10²³
• D. 7.226 x 10²³

Answer: (A)