EASY
7th CBSE
IMPORTANT
Earn 100

List two ways to express 45 as a product of powers.

Chapter-Wise 3D Mathematics Videos from NCERT NCERT Exemplar Mathematics - Class 7

Expressing Large Numbers in Standard Form
07 min 22 sec

Expressing Large Numbers in Standard Form

Any number can be expressed as decimal numbers between 1 and 10 multiplied by a power of 10. In this video, we will learn about expressing large numbers in standard form.
Scientific Notation
14 min 28 sec

Scientific Notation

The mass of the Earth is 5,970,000,000,000,000,000,000,000 kg and that of an animal cell is 0.0000000000007 kg. Can you read these numbers? Learn how these n...
Laws of Indices for Integral Indices
02 min 23 sec

Laws of Indices for Integral Indices

There are many Laws of Indices. Learn all about the law of indices and the simple methods of finding its values with examples in this video.