the formula for decigrams to kilograms is divide the mass value by 10,000, so the answer would be 0.0091357
The geometric mean of two numbers is the square root of their product:
So, if the product is 8, the geometric mean is 
The temperature is 3 degrees less then it was at lunchtime when he went to bed you didn’t ask a question or explain it so I’m assuming this is what you meant
Answer:
7.814 * 10^6
Step-by-step explanation:
Move the decimal point (which is at the end of the number) six places to the left so that you have one non-zero digit to the left of the decimal point. The number of places it is moved to the left is the exponent. Since it is moved to the left it is a positive exponent.
