Joke Collection Website - Public benefit messages - The entries in the 2012 Seventh Original New Year Blessing SMS Weibo Competition are full of deep blessings for the Year of the Dragon. The organizer *** received 41430 original blessing SMS entries.
The entries in the 2012 Seventh Original New Year Blessing SMS Weibo Competition are full of deep blessings for the Year of the Dragon. The organizer *** received 41430 original blessing SMS entries.
B
The representation form of scientific notation is a×10 n, where 1≤|a|<10 and n is an integer. When determining the value of n, it depends on how many digits the decimal point has moved when changing the original number into a. The absolute value of n is the same as the number of digits the decimal point has moved. When the absolute value of the original number is greater than 1, n is a positive number; when the absolute value of the original number is less than 1, n is a negative number. 41430 should be expressed in scientific notation, so choose B
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