Question

Write the number of significant digits in

(a) 1001

(b) 100.1,

(c) 1001.0,

(d) 0.001001.

Answer 1

The number significant digits

(a) 10.01, Number of significant digits = 4

(b) 100.1, Number of significant digits = 4

(c) 100.10, Number of significant digits = 5

(d) .00100, 1 Number of significant digits = 4.