3. $$ \left\{\left(2^{3} imes 2.5 ight) \div \frac{1}{2} ight\}+120 $$

Question

3. $$ \left\{\left(2^{3} 	imes 2.5ight) \div \frac{1}{2}ight\}+120 $$

UpStudy AI · Accepted Answer

Let's evaluate the given expression step by step:

$$
\left\{\left(2^{3} \times 2.5\right) \div \frac{1}{2}\right\} + 120
$$

1. **Calculate $$2^{3}$$:**
   $$
   2^{3} = 2 \times 2 \times 2 = 8
   $$

2. **Multiply by 2.5:**
   $$
   8 \times 2.5 = 20
   $$

3. **Divide by $$\frac{1}{2}$$:**
   $$
   20 \div \frac{1}{2} = 20 \times 2 = 40
   $$
   (Dividing by a fraction is the same as multiplying by its reciprocal.)

4. **Add 120:**
   $$
   40 + 120 = 160
   $$

**Final Answer:** $$160$$
The final answer is 160.

3. \( \left\{\left(2^{3} \times 2.5\right) \div \frac{1}{2}\right\}+120 \)

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