Write the following as a sum using powers of 10 to show place value.
-540.81
A) $5 \cdot 10 ^ { 3 } + 4 \cdot 10 ^ { 2 } + 0 \cdot 10 ^ { 1 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$
B) $5 \cdot 10 ^ { 2 } + 4 \cdot 10 ^ { 0 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$
C) $5 \cdot 10 ^ { 2 } + 4 \cdot 10 ^ { 1 } + 0 \cdot 10 ^ { 0 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$
D) $5 \cdot 10 ^ { 1 } + 4 \cdot 10 ^ { 0 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$

Question

Write the following as a sum using powers of 10 to show place value.
-540.81 
A) $5 \cdot 10 ^ { 3 } + 4 \cdot 10 ^ { 2 } + 0 \cdot 10 ^ { 1 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$
B) $5 \cdot 10 ^ { 2 } + 4 \cdot 10 ^ { 0 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$
C) $5 \cdot 10 ^ { 2 } + 4 \cdot 10 ^ { 1 } + 0 \cdot 10 ^ { 0 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$
D) $5 \cdot 10 ^ { 1 } + 4 \cdot 10 ^ { 0 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$

Quizplus · Accepted Answer

The correct representation of 540.81 using powers of 10 for each place value is $5 \cdot 10 ^ { 2 }$ for the hundreds place, $4 \cdot 10 ^ { 1 }$ for the tens place, $0 \cdot 10 ^ { 0 }$ for the ones place, $8 \cdot 10 ^ { - 1 }$ for the tenths place, and $1 \cdot 10 ^ { - 2 }$ for the hundredths place.

Write the Following as a Sum Using Powers of 10 5⋅103+4⋅102+0⋅101+8⋅10−1+1⋅10−25 \cdot 10 ^ { 3 } + 4 \cdot 10 ^ { 2 } + 0 \cdot 10 ^ { 1 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }5⋅103+4⋅102+0⋅101+8⋅10−1+1⋅10−2

Write the Following as a Sum Using Powers of 10 $5 \cdot 10 ^ { 3 } + 4 \cdot 10 ^ { 2 } + 0 \cdot 10 ^ { 1 } + 8 \cdot 10 ^ { - 1 } + 1 \cdot 10 ^ { - 2 }$