Q1. In an expression $a \times 10 ^ { \mathrm { b } }$; (1) $b$ is order of magnitude for $a \geq 5$ (2) $b$ is order of magnitude for $a \leq 5$ (3) $a$ is order of magnitude for $b \leq 5$ (4) $b$ is order of magnitude for $5 < a \leq 10$
Q1. In an expression $a \times 10 ^ { \mathrm { b } }$;\\
(1) $b$ is order of magnitude for $a \geq 5$\\
(2) $b$ is order of magnitude for $a \leq 5$\\
(3) $a$ is order of magnitude for $b \leq 5$\\
(4) $b$ is order of magnitude for $5 < a \leq 10$