Question

A red blood cell has a length of 0.0065982. Write down the length, correct to five decimal places.

Answer 1

Answer:

$\huge {\mathscr {\boxed {\orange {GIVEN:}}}}$

length of red blood cell = 0.0065982

$\huge {\mathscr {\boxed {\green {ANSWER:}}}}$

In 0.0065982, there are 7 digits after decimal point.

So, there are 7 decimal places.

But, to write it in 5 decimal places, we need to roundoff the 5th digit i.e., 9. But, rounding it off would alter 982. So, they all can be rounded off to 1000, and then the number would be:

0.00651000

Since, in decimal number system, there is no value of zeros at the end, so the answer becomes:

0.00651 (which is correct to 5 decimal places)