1. **Problem:** Evaluate $7.2 \times (3.75 - 1.25)^2$ without a calculator.
2. **Step 1:** Calculate the expression inside the parentheses:
$$3.75 - 1.25 = 2.5$$
3. **Step 2:** Square the result:
$$2.5^2 = 6.25$$
4. **Step 3:** Multiply by 7.2:
$$7.2 \times 6.25 = 45$$
**Final answer:** $45$
Evaluate Expression 46F80F
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