Question

Which number is written in scientific notation? 6 times 10 Superscript 11 12 times 10 Superscript negative 8 0.2 times 10 Superscript 5 8 times 7 Superscript 2

Answer 1

SOLUTION

TO CHOOSE THE CORRECT OPTION

Which number is written in scientific notation

$\sf{1. \: \: \: 6 \times {10}^{11} }$

$\sf{2. \: \: \: 12\times {10}^{ - 8} }$

$\sf{3. \: \: \: 0.2 \times {10}^{5} }$

$\sf{4. \: \: \: 8 \times {7}^{2} }$

EVALUATION

We know that in study Mathematics we use Scientific notation to express very large or very small numbers.

The general scientific form is

$\sf{m \times {10}^{n} }$

where n is an integer, and the coefficient m is a nonzero real number ( usually between 1 and 10 )

Since in the given option we see that only the number $\sf{6 \times {10}^{11} }$ is of the form $\sf{m \times {10}^{n} }$

FINAL ANSWER

Hence the correct option is

$\sf{1. \: \: \: 6 \times {10}^{11} }$

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