Question

express the following in standard form 6892.25​

Answer 1

Answer:

Express 343 as a power of 7.

Solution:

We have 343 = 7 × 7 × 7 = 73

Thus, 343 = 73

Exponents and Powers Class 7 Extra Questions Maths Chapter 13 Q1

Question 2.

Which is greater 32 or 23?

Solution:

We have 32 = 3 × 3 = 9

23 = 2 × 2 × 2 = 8

Since 9 > 8

Thus, 32 > 23