What is 1.2 \times 10^5 written in standard (decimal) form?

• A. 1,200,000
• B. 120,000
• C. 12,000
• D. 0.00012

Answer: (B)

Verified step by step guidance

1. Identify the given number in scientific notation: \$1.2 \times 10^{5}$.
2. Understand that \$10^{5}$ means moving the decimal point 5 places to the right because the exponent is positive.
3. Start with the number 1.2 and move the decimal point 5 places to the right, adding zeros as needed.
4. After moving the decimal point 5 places, write down the resulting number without the decimal point.
5. The final number is the standard decimal form of \$1.2 \times 10^{5}$.