IXL | Scientific notation on calculators | 8th grade math

or

A calculator displays 1E4. How do you write 1E4 in scientific notation?

×

10

ref_doc_title.

or

Learn with an example

question

A calculator displays 5

E

–

9

.

How do you write 5

E

–

9

in scientific notation?

×

10

key idea

Numbers in scientific notation have two factors:

The first factor is at least 1 and less than 10.
The second factor is a power of 10.

solution

5

E

–

9

on a calculator represents a number in scientific notation:

5 is the first factor.
–
9
is the exponent of 10 in the second factor.

So, 5

E

–

9

is written as

5

×

10

–

9

in scientific notation.

Looking for more? Try these:

Lesson: Scientific notation

or

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Work it out

Not feeling ready yet? These can help:

D.1Convert between standard and scientific notation

Lesson: Scientific notation