Question

Fill in the blank : If a measured value 5224m is rounded off to 1 significant figure, the rounded off value is ................. m.

Answer 1

Answer: 5000 m.

Explanation: As 2,2,4 are no.s less than 5,we can directly extract them out and place 3 zeroes in place of them. Since trailing zeroes without a decimal are Insigificant the no. 5000 has only 1 significant fig. i.e 5.