Question

How many significant figures in 7.34×10⁻²?
a) 2
b) 3
c) 4
d) 5

Answer 1

The number 7.34×10⁻² has 3 significant figures.

Step-by-step explanation:

The number 7.34×10⁻² has 3 significant figures. Significant figures are the digits in a number that carry meaning and contribute to its precision. In this case, the digits 7, 3, and 4 are significant because they provide information about the value of the number. The exponent, -2, does not count as a significant figure, as it represents the power of 10 by which the number is multiplied.