Question

give significant figure of :
a)4.2390
b)2.9400
c)0.006900​

Answer 1

Answer:

Explanation: a)5 in both a and b 0 are significant bcoz they lie at the right side of decimal place after non-zero no

b)5

c)4

Bcoz 0 in left of non-zero digit is not significant after decimal place

Answer 2

Answer:

(a) =5 ,(b) =5 ,(c)= 4

Explanation:

a=5 because in the number 4.2390 before . there is 4