Use a Change of Base Formula to Evaluate the Given

question 226

Multiple Choice

Use a change of base formula to evaluate the given logarithm. Approximate to three decimal places.
- log (x+20) =1

• A) 20
• B) 1
• C) -10
• D) 10

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Definitions:

Bar Codes

A method of representing data in a visual, machine-readable form, consisting of bars and spaces, used to track and identify products.

RFID

Radio-Frequency Identification, a technology using wireless non-contact use of radio waves to transfer data for the purposes of automatically identifying and tracking tags attached to objects.

Two-Dimensional Code

A matrix barcode that stores information both horizontally and vertically, such as a QR code.

Active RFID Codes

Radio-frequency identification tags that have their own power source, allowing them to transmit data over longer distances than passive RFID tags.