The correct choice is 'B'. The correct exponent is +9. In order to change 6.8 into 6,800,000,000 you have to move the decimal point 9 places in the LARGER direction.
The answer to your question is A.) , because there are 8 zeros which make it to the power of 8, by 10.
The population of the world in February 2010 can be expressed in scientific notation as 6.8 × 1 0 9 . This is because we move the decimal point 9 places to the right from 6.8 to reach 6,800,000,000. Thus, the correct answer is option B.
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Jawaban:5 pekerjaPenjelasan dengan langkah-langkah:Pekerja yang dibutuhkan[tex] \tt = \frac{(60 - 15) \times 20}{60 - 15 - 9} [/tex][tex] \tt = \frac{45 \times 20}{36} [/tex][tex] \tt = \frac{900}{36} [/tex]= 25 pekerjaTambahan pekerja= 25 - 20 pekerja= 5 pekerja[tex]\boxed{ \red{ \boxed{\pink{\mathcal{M \frak{ ilana} \purple{ \tt01}}}}}} [/tex]