calculate-the-following-expression-and-express-the-answer-with-the-correct-numbe

Question

Calculate the following expression and express the answer with the correct number of significant figures: (6.022 x $$10^{23}) x (3.0 / 2.5) + 1.2.$$

Accepted Answer

7.2 x $$10^{23}$$

Answer

7.2264 x $$10^{23}$$

Answer

7.23 x $$10^{23}$$

Answer

7.226 x $$10^{23}$$

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.