Answer:
2.1 x 10^5 = 210,000.
Step-by-step explanation:
Convert 2.1 x 10^5 to ordinary form
10^5 = 100000
2.1 = 21/10
Thus.
2.1 x 10^5 = 21/10 * 100000 = 210,000
Ordinary form of 2.1 x 10^5 is 210,000.
