Question

Assertion (A): The standard form of 0.00056 is 5.6 \times 10^{-4}. Reason (R): In standard form k \times 10^{n}, the number k must lie between 1 and 100.

Write in standard form: (a) 0.0000000096 (b) 7,05,00,000

Write in usual form: (a) 4.5 \times 10^{4} (b) 6.02 \times 10^{-6}

A bacterium is 5 \times 10^{-7} m long. How many such bacteria placed end to end will make a line 1 cm (10^{-2} m) long?