Evaluate.
-$$\frac { 3 } { 5 } \div \frac { 3 } { 5 } - 10 \cdot \left( \frac { 1 } { 2 } \right) ^ { 2 }$$
A) $- 24$
B) $- \frac { 9 } { 10 }$
C) $- \frac { 9 } { 4 }$
D) $=- \frac { 3 } { 2 }$

Question

Quizplus · Accepted Answer

Dividing $\frac{3}{5}$ by $\frac{3}{5}$ gives 1. Then, $\left(\frac{1}{2}\right)^2 = \frac{1}{4}$, and $10 \cdot \frac{1}{4} = \frac{10}{4} = \frac{5}{2}$. So, $1 - \frac{5}{2} = -\frac{3}{2}$.

Evaluate - 35÷35−10⋅(12)2\frac { 3 } { 5 } \div \frac { 3 } { 5 } - 10 \cdot \left( \frac { 1 } { 2 } \right) ^ { 2 }53​÷53​−10⋅(21​)2

Evaluate
- $\frac { 3 } { 5 } \div \frac { 3 } { 5 } - 10 \cdot \left( \frac { 1 } { 2 } \right) ^ { 2 }$