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Write the Following as a Sum Using Powers of 10 0⋅100+0⋅101+2⋅102+7⋅1030 \cdot 10 ^ { 0 } + 0 \cdot 10 ^ { 1 } + 2 \cdot 10 ^ { 2 } + 7 \cdot 10 ^ { 3 }

Question 20

Multiple Choice

Write the following as a sum using powers of 10 to show place value.
-0.027


A) 0⋅100+0⋅101+2⋅102+7⋅1030 \cdot 10 ^ { 0 } + 0 \cdot 10 ^ { 1 } + 2 \cdot 10 ^ { 2 } + 7 \cdot 10 ^ { 3 }
B) 0⋅101+0⋅102+2⋅103+7⋅1040 \cdot 10 ^ { 1 } + 0 \cdot 10 ^ { 2 } + 2 \cdot 10 ^ { 3 } + 7 \cdot 10 ^ { 4 }
C) 0⋅100+2⋅10−1+7⋅10−20 \cdot 10 ^ { 0 } + 2 \cdot 10 ^ { - 1 } + 7 \cdot 10 ^ { - 2 }
D) 0⋅100+0⋅10−1+2⋅10−2+7⋅10−30 \cdot 10 ^ { 0 } + 0 \cdot 10 ^ { - 1 } + 2 \cdot 10 ^ { - 2 } + 7 \cdot 10 ^ { - 3 }

Correct Answer:

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