I used -25 as an example: Answer: = -2.5 × 101 (scientific notation)
= -2.5e1 (scientific e notation)
= -25 × 100 (engineering notation) (one)
= -25 <span>(real number)
</span>Scientific notation<span> is used to </span>express<span> very large or very small </span>numbers<span>. A </span>number in scientific notation<span> is written as the product of a </span>number<span> (integer or decimal) and a power of 10. The </span>number<span> has one digit to the left of the decimal point. The power of ten indicates how many places the decimal point was moved.</span>
