Express the number -176,000,000 in scientific notation.
A) $ - 1.76 \times 10 ^ { 8 }$
B) $- 1.76 \times 10 ^ { 7 }$
C) $- 17.6 \times 10 ^ { 9 }$
D) $\quad - 1.76 \times 10 ^ { 9 }$

Question

Express the number -176,000,000 in scientific notation. 
A) $ - 1.76 \times 10 ^ { 8 }$
B) $- 1.76 \times 10 ^ { 7 }$
C) $- 17.6 \times 10 ^ { 9 }$
D) $\quad - 1.76 \times 10 ^ { 9 }$

Quizplus · Accepted Answer

In scientific notation, the number should be written in the form of A times 10 to the power of B, where A is a number between 1 and 10 and B is a whole number. To convert -176,000,000, we move the decimal point 8 places to the left to get -1.76, and write it as -1.76 x 10^8. Choice A matches this format, while the other choices do not.

Express the Number -176,000,000 in Scientific Notation −1.76×108 - 1.76 \times 10 ^ { 8 }−1.76×108

Express the Number -176,000,000 in Scientific Notation $- 1.76 \times 10 ^ { 8 }$