Write the following number in decimal form. $$3 \cdot 10 ^ { 4 } + 0 \cdot 10 ^ { 3 } + 0 \cdot 10 ^ { 2 } + 6 \cdot 10 + 7 + 7 \cdot 10 ^ { - 1 }$$
A) $300,067.7$
B) $30,067.7$
C) $30,067.07$
D) $3,006.77$
E) $3,067.7$

Question

Quizplus · Accepted Answer

The given expression can be simplified as follows: $3 \cdot 10^4$ represents 30,000, $0 \cdot 10^3$ and $0 \cdot 10^2$ add no value, $6 \cdot 10$ represents 60, and $7 + 7 \cdot 10^{-1}$ represents 7 plus 0.7, which together make 7.7. Adding these values gives 30,067.7.

Write the Following Number in Decimal Form 3⋅104+0⋅103+0⋅102+6⋅10+7+7⋅10−13 \cdot 10 ^ { 4 } + 0 \cdot 10 ^ { 3 } + 0 \cdot 10 ^ { 2 } + 6 \cdot 10 + 7 + 7 \cdot 10 ^ { - 1 }3⋅104+0⋅103+0⋅102+6⋅10+7+7⋅10−1

Write the Following Number in Decimal Form $3 \cdot 10 ^ { 4 } + 0 \cdot 10 ^ { 3 } + 0 \cdot 10 ^ { 2 } + 6 \cdot 10 + 7 + 7 \cdot 10 ^ { - 1 }$