1.

Round off each of the following quantities to two significant figures 1.43 cm3

Answer»

The two significant figure of 1.43 will be 1.4 cm3.

Two significant FIGURES we have to take two DIGITS. But it is not APPLIED in every digits.

For EXAMPLE :

In 0.0026, there are only two significant figures as we don't count the ZEROES of the zeroes are not between non-zero digit.

In 1.430, there are 4 digits that are significant. Here, we count the zero because it is in the right of the decimal point.



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