Round the Number 0.007222 to Three Significant Figures

question 50

Multiple Choice

Round the number 0.007222 to three significant figures.

• A)0.007
• B)0.00722
• C)0.0072
• D)0.00723
• E)0.007225

---

Definitions:

Logarithms

The inverse operation to exponentiation, indicating the power to which a base number must be raised to obtain another number.

Approximate

To approximate means to find a value or answer that is close to the exact one, but not exactly it, often used when an exact solution is not necessary or possible.

Function

A pairing between a selection of inputs and a conglomeration of permissible outputs, where the rule is that each input is directly linked to a unique output.

Logarithm

This refers to the exponent that indicates the power to which a base number is raised to obtain a specific number. It's an inverse operation to exponentiation in mathematics.