How many significant digits are there in the product of 0.025 and 4.07?

ANSWER

5 significant figures.

EXPLANATION

The number 0.025 has 2 significant figures.

The number 4.07 has three significant figures.

The product of 0.025 and 4.07 will have 2+3=5 significant figures.

You could also multiply the two numbers to get,

0.025×4.07=0.10175

We can see clearly that the product has five significant figures.

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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