Question

Express 1000000 in scientific form.

• A. $1.0\times {10}^6$
• B. $1.0\times {10}^7$
• C. $10\times {10}^5$
• D. $10\times {10}^6$

Answer 1

The correct option is A $1.0\times {10}^6$

Given number is 1000000

Any number in scientific notation is of form $x\times {10}^y$, where $1\le x<10$ and $y\text{is an integer}$.

Since the given number is a multiple of 10, so the factor should be 1 and exponent of 10 is 6.

$\therefore$ The scientific notation of 1000000 is $1.0\times {10}^6$.