We are asked to **round off the diameter of Jupiter at its equator which is 142984 km to 4 significant figures**.

Remember the rules in determining the number of significant figures:

1. If your number **has a decimal point**, start counting **from left to right (→)**.

→ Start counting when you get your first non-zero number and keep counting until the end.

2. If your number **has no decimal point****,** start counting **from right to left (←)**.

→ Similarly, start counting when you get your first non-zero number and keep counting until the end.

To round off the diameter to 4 significant figures, we may express it in terms of **scientific notation**.

The diameter of Jupiter at its equator is 142984 km.

Round off this quantity to four significant figures.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Significant Figures concept. You can view video lessons to learn Significant Figures. Or if you need more Significant Figures practice, you can also practice Significant Figures practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor McCoy's class at CPP.