Johannes Gutenberg Was a Key Developer of

question 12

Multiple Choice

Johannes Gutenberg was a key developer of

• A)the water wheel.
• B)the astrolabe.
• C)the movable type printing press.
• D)smokeless gunpowder.
• E)the compass.

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Definitions:

Associative Property

A mathematical rule stating that the way in which numbers are grouped in operations does not change their result.

Multiplication

A mathematical operation where a number is added to itself a certain number of times.

Decimal Places

The number of digits to the right of the decimal point in a number, determining its precision.

Additive Inverse

The number that when added to the original number, yields zero.