SSC MTS EXAM

SSC

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is 78.5 rounded to one significant figure?
A
79
B
78.5
C
70
D
80
Explanation: 

Detailed explanation-1: -8.045 rounded to two decimal places is 8.04 (the next digit is 5, and the previous digit (4) is even)

Detailed explanation-2: -The given number is 1.7802. We need to round off the number to the one significant figure. Since the number 1.7802 consists of 5 significant figures. Therefore, the required answer is 1.780.

Detailed explanation-3: -Answer: 7 is the required answer.

There is 1 question to complete.