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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