How many of the following numbers contain 3 significant figures? 0.509 1.050 0.0500 1.06 × 10²⁴ A)one B)two C)three D)four

Question

Quizplus · Accepted Answer

A number contains 3 significant figures if it has a non-zero digit in the hundredth place or beyond. - 0.509 has 3 significant figures - 1.050 has 4 significant figures - 0.0500 has 3 significant figures - 1.06 × 10²⁴ has 3 significant figures (since the first non-zero digit starts at the hundredth place) Therefore, only 3 numbers contain 3 significant figures, which is choice C.

How Many of the Following Numbers Contain 3 Significant Figures