what is the weight of a 10g object?

this is my answer:
W = m.a
W = 0,01(9.8)
W = 0,098 kg

i divided the 10g by 1000 to conver it into kg.

is this answer correct?

Hmmmm.

Weight (In newtons)= mass(in kg)*g (in Nt/kg)
Weight= .01kg * 9.8N/kg
Weight= 0.098Newtons

Your approach to convert the weight from grams to kilograms is correct. To convert grams to kilograms, you divide by 1000 since there are 1000 grams in a kilogram. However, the equation you used to calculate weight, W = m.a, is incorrect. The correct equation to calculate weight is:

W = m.g

Where:
W is the weight (force) in newtons (N)
m is the mass in kilograms (kg)
g is the acceleration due to gravity, approximately 9.8 m/s^2

In your case, the mass (m) of the object is 10g. To convert it to kilograms, you divide by 1000:

m = 10g / 1000 = 0.01 kg

Now, you can calculate the weight (W) using the correct formula:

W = 0.01 kg * 9.8 m/s^2 = 0.098 N (rounded to three decimal places)

So the weight of the 10g object is approximately 0.098 newtons (N).