What are the rules for multiplying\dividing decimals

The rules for multiplying and dividing decimals are;

Multiplying decimals:

- Multiply as usual, ignoring the decimals.

- Determine the total number of digits behind the original numbers' decimal points.

- Place the same number of digits behind the decimal point in the product.

Dividing Decimals:

-If the divisor is not a whole number, move decimal point to right to make it a whole number and move decimal point in dividend the same number of places.

- Divide as usual. ...

- Put decimal point directly above decimal point in the dividend.

- Check your answer

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

yes

step-by-step explanation: