Question

what are significant figures in the sum of 18.5 and 0.43 25​

Answer 1

Answer:

18.5 has 3 and 0.4325 has 4 significant figure. Sum is 18.9325 has 6 significant figure.

Explanation:

Sum of 18.5 and 0.4325 is 18.9325. all the non zero digits are significant such as 1,2,3,4,5,6,7,8,9.