Question

Hexadecimal to denary gcse method

Answer 1

There are two ways to convert from hexadecimal to denary gcse method. They are:

• Conversion from hex to denary via binary.
• The use of base 16 place-value columns.

How is the conversion done?

In Conversion from hex to denary via binary:

One has to Separate the hex digits to be able to know or find its equivalent in binary, and then the person will then put them back together.

Example - Find out the denary value of hex value 2D.

It will be:

2 = 0010

D = 1101

Put them them together and then you will have:

00101101

Which is known to be:

0 *128 + 0 * 64 + 1 *32 + 0 * 16 + 1 *8 + 1 *4 + 0 *2 + 1 *1

= 45 in denary form.

Learn more about hexadecimal from

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