Q. How do you write 78 in scientific notation?______×10______
Identify Significant Digit: Identify the most significant digit and the decimal point's position in the number 78. The most significant digit is 7, and the decimal point in 78 is after the last digit, so it's 78.0.
Move Decimal Point: Move the decimal point to the right of the first non-zero digit to create a number between 1 and 10. Moving the decimal point between 7 and 8, we get 7.8.
Count Decimal Point Places: Count the number of places the decimal point has moved to determine the exponent of 10. The decimal point has moved 1 place to the left, so the exponent will be positive 1.
Write in Scientific Notation: Write the number in scientific notation using the number from Step 2 and the exponent from Step 3.The scientific notation of 78 is 7.8×101.
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