Subjects algebra

Scientific Notation 15F0D7

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1. **State the problem:** Convert the scientific notation $1.2 \times 10^2$ into a standard number. 2. **Recall the rule for scientific notation:** $a \times 10^n$ means move the decimal point in $a$ to the right if $n$ is positive, or to the left if $n$ is negative, by $n$ places. 3. **Apply the rule:** Here, $a=1.2$ and $n=2$, so move the decimal point 2 places to the right. 4. **Intermediate step:** $$1.2 \times 10^2 = 1.2 \times \cancel{10^2} = 120$$ 5. **Final answer:** The number is $120$. This means the Wright brothers flew about 120 feet, which matches the length of a basketball court.