PhysicsEasy156×since 2002Q8350In an expression a×10ba \times 10^ba×10b :Aaaa is order of magnitude for b≤5b \leq 5b≤5Bbbb is order of magnitude for a≤5a \leq 5a≤5Cbbb is order of magnitude for a≥5a \geq 5a≥5Dbbb is order of magnitude for 5<a≤105< a \leq 105<a≤10Check answerSkip