MATH SOLVE

4 months ago

Q:
# Q.17Select the correct numerical form of this number written in scientific notation.1.2 × 10^40.00012120,00012,0001,200

Accepted Solution

A:

The answer is: [D]: "1,200" .

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We take the "1.2" and move the decimal FOUR (4) places to the right.

So, when we move the decimal place ONE place to the right, we have "12".

When we move it TWO places to the right, we have "120".

When we move it THREE places to the right, we have 1200".

When we move it FOUR places to the right, we have "1200".

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Note: When we move the "decimal place" to the right or left, and that "decimal place is "non-existent", we add a "zero to the [right or left].

"1200" can be written as: "1,200" .

_________________________________________________

The answer is: [D]: " 1,200 " .

_________________________________________________

________________________________________

We take the "1.2" and move the decimal FOUR (4) places to the right.

So, when we move the decimal place ONE place to the right, we have "12".

When we move it TWO places to the right, we have "120".

When we move it THREE places to the right, we have 1200".

When we move it FOUR places to the right, we have "1200".

_________________________________________________

Note: When we move the "decimal place" to the right or left, and that "decimal place is "non-existent", we add a "zero to the [right or left].

"1200" can be written as: "1,200" .

_________________________________________________

The answer is: [D]: " 1,200 " .

_________________________________________________