Question

C) Which of these numbers is a square number

A
4 x 10^5
B
9 x 10^4
C
4 x 10^3
D
9 x 10^3​

Answer 1

9514 1404 393

Answer:

B. 9 x 10^4

Explanation:

The square number will be a square multiplied by 10 to an even power. Only one choice has an even power of 10.

9 x 10^4