Round the following numbers to 2 significant digits. A. 3472, b. 84.16 c. 2.55 d. 28.5.

Answer

A, B, C, D

Explanation

In the value 3472
after the digit 4,7 is present. Its value is greater than 5, so the next two digits are neglected and the gvalue of 4 is increases by 1.,:. Value becoms 3500
b. value =84
c. 2.6
d. value is 28.