Write the number in scientific notation. $2000 \times 10 ^ { - 7 }$
A) $20.0 \times 10 ^ { - 3 }$
B) $2.0 \times 10 ^ { 4 }$
C) $0.2 \times 10 ^ { - 3 }$
D) $2.0 \times 10 ^ { - 4 }$
E) $2.0 \times 10 ^ { - 10 }$

Question

Quizplus · Accepted Answer

To convert to scientific notation, we move the decimal point 7 places to the left and add a negative exponent. This gives us $2.000 	imes 10^{-4}$. However, we can simplify this to $2 	imes 10^{-4}$ since the zero in the tenths place is unnecessary. Therefore, the answer is choice D.

Write the Number in Scientific Notation 2000×10−72000 \times 10 ^ { - 7 }2000×10−7

Write the Number in Scientific Notation $2000 \times 10 ^ { - 7 }$