Question

write the significant figures of number 0.06900​

Answer 1

Answer:

the value of number is 0.068 because . value of last 0 is nothing

Answer 2

$\large \bold{ \underline{ \underline{ \: Answer : \: \: \: }}}$

$\to$ The number of significant figures in 0.06900 is 4

$\large \bold{ \underline{ \underline{ \: Rules : \: \: \: }}}$

$\to$ All digits 1 through 9 are significant

$\to$ Zero is significant when it is between two non zero digits

The quantities 306 , 30.6 , 3.06 and 0.306 all contain 3 significant figures

$\to$ Trailing zeros that are not used to hold the zero are not significant

The quantities 279.0 , 27.90 and 2.790 all contain 4 significant figures

$\to$ A zero used to fix a decimal point is never significant

The quantities 0.456 , 0.0456 and 0.00456 all contain 3 significant figures