How do you write 0.00498 in scientific notation?

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How do you write 0.00498 in scientific notation?

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Answer 1 · 2018-05-07T12:50:35

$4.98 \times 10^{- 3}$ $4.98times10^-3$

Explanation:

$4.98 \times 10^{- 3}$ $4.98times10^-3$

is the answer.

Answer 2 · 2018-05-07T12:54:02

$4.98 \times 10^{- 3}$ $4.98 xx 10^-3$

Explanation:

To change a decimal into scientific notation, move the decimal place. The number of places you move is the number you will use as the exponent of $10$ $10$ :

$0.00498$ $0color(red)(.)00498$

Now move the decimal place, counting how many places it moves as you go:

$0.00498$ $0color(red)(.)00498$

$00.0498$ $00color(red)(.)0498$ (1 space)

$000.498$ $000color(red)(.)498$ (2 spaces)

$0004.98$ $0004color(red)(.)98$ (3 spaces)

The decimal was moved $3$ $3$ spaces. Since the decimal was moved to the right, you will use a negative exponent.

$move to the right = negative$ $"move to the right = negative"$
$move to the left = positive$ $"move to the left = positive"$

So use the number of spaces you moved, and make it negative:

$4.98 \times 10^{- 3}$ $4.98 xx 10^color(blue)(-3)$

Answer 3 · 2018-05-07T12:58:47

$4.98 \times 10^{- 3}$ $4.98xx10^(-3)$

Explanation:

The number 0.00498 has to be between 1 and 10 and then it is multiplied by 10 to a power. $10^{- 3}$ $10^(-3)$ = $\frac{1}{1000}$ $1/1000$ so you are dividing by 1000

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How do you write 0.00498 in scientific notation?

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