The multiplicative identity of integers is .

The product of any integer and zero is _____.

The product of $\left(-1\right)\times \left(-3\right)\times 5$ is _____.

In the given figure, the integer at the top is obtained by multiplying the two integers exactly below it. Find the number in the top cell.

Which of the following changes shows the highest rise in temperature?

The product of $(-8)\times (-200)$ is _____.

The additive identity of $13$ is _____.