How many significant digits should be shown in the product of 1.6 cm and 2.4 cm? 3?

We have to find the number of significant figures in the product of 1.6 cm and 2.4 cm.

Let us first find the product of 1.6 cm and 2.4 cm.

= 3.84 square cm.

Now, we have to determine the number of significant figures in 3.84

The significant digits of a number are the digits have meaning or they contribute to the value of the number. All non-zero digits are significant , any zeros between significant digits are also significant  figures and the trailing zeros to the right of a decimal point are significant figures.

Therefore, in 3.84, there are 3 significant figures in this number.

So, there are 3 significant figures in the product of 1.6 cm and 2.4 cm.

b.) divide by -5.

step-by-step explanation: