In an expression a × 10 b :

b is order of magnitude for a leq 5

a is order of magnitude for b leq 5

b is order of magnitude for 5< a leq 10

b is order of magnitude for a geq 5

Physics · Units, Dimensions & Error Analysis

JEE Main 2024 — 8 April, Shift 1 — Question 35

In an expression $\mathrm{a} \times 10^{\mathrm{b}}$ :

$\mathrm{a} \times 10^{\mathrm{b}}$

if $\mathrm{a} \leq 5$ order is b

$a>5$ order is $b+1$

Answer key and solution verified before publishing.

Start with this question, then two more from the same chapter — with a tutor that explains every step. Free.