Question

Q. Perform each of the following
calculations. Round off your answers to
two digits.
33
b.
3.40 X 1024 9.00 x 10-4
a.
C.
1.4 x 10°
(2.77 x 10) (3.76 x 105)​

Answer 1

Answer:Input : n = 139.59

       d = 4

Output : The number after rounding-off is 139.6 .

The number 139.59 has 5 significant figures and for rounding-off  

the number to 4 significant figures, 139.59 is converted to 139.6 .

Input : n = 1240

       d = 2

Output : The number after rounding-off is 1200 .

Explanation: