Scientific notation shows the following numbers 6.4 million square kilometers = () square kilometers - 38700 000 = () 4.1 times 10 to the 5th power = () 2.5 times 10 to the 13th power = () -8300.12 = () - 1.707 times the 7th power of 10 = () 1701 / 4 = () - 9.75 times the 11th power of 10 = () 10 430 000=（ ） 110000=（ ） If there is a power of 8.64 times 10, and a year is 365 days, how many seconds does a year have? 10 years?

Scientific notation shows the following numbers 6.4 million square kilometers = () square kilometers - 38700 000 = () 4.1 times 10 to the 5th power = () 2.5 times 10 to the 13th power = () -8300.12 = () - 1.707 times the 7th power of 10 = () 1701 / 4 = () - 9.75 times the 11th power of 10 = () 10 430 000=（ ） 110000=（ ） If there is a power of 8.64 times 10, and a year is 365 days, how many seconds does a year have? 10 years?

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6.4X10^8 -3.8X10^6 4.1X10^5 2.5X10^15 -8.30012X10^3 -1.707X10^7 4.25x10^2
-9.7x10^11
1.043x10^7 1.1X10^5