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Question

Write the given model in their standard form and expanded form.


A
Standard form: Expanded form:
0.68
(6×110)+(8×1100)
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B
Standard form: Expanded form:
6.8
(6×10)+(8×110)
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Solution

The correct option is A Standard form: Expanded form:
0.68
(6×110)+(8×1100)

The entire given shape is one whole.

Total number of small pieces
=(Number of pieces at bottom)×(Number of pieces at a side)
=10×10
=100

Each small square represents 1100 of a whole.

Total number of colored boxes
=(Number of fully filled columns)×10+(Number of boxes in partially filled columns)
=(6)×10+(8)
=60+8
=68

68 filled boxes out of 100.
Standard form=68100
Standard form=0.68

The expanded form of 0.68 is obtained by multiplying the face values with their places values and add them.

The expanded form =(6×110)+(8×1100)

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