Evaluate the Expression Without Using a Calculator $\sqrt { 0.81 }$

question 63

Multiple Choice

Evaluate the expression without using a calculator.
- $\sqrt { 0.81 }$

• A)4.05
• B)0.9
• C)0.45
• D)0.009

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Definitions:

Disk Drive

A device within a computer that reads and writes data to and from a physical disk, such as a hard drive or floppy disk.

Throws A New Exception

Indicating in a method signature that it may throw an exception, requiring calling code to handle or further declare the exception.

Catch Or Declare Rule

A principle in Java requiring a method to either catch an exception with a try-catch block or declare it in the method's throws clause.

Compiler

A tool that translates code written in a high-level programming language into machine code or another form that a computer can execute directly.