Question

The value of (7^-25 - 7^-26) is please answer in power format​ (for eg 2*10^20)
please please

Answer 1

Step-by-step explanation:

7^-25-7^-26

we can use the identity x^a-x^b=x^a-b

= 7^-25-(-26)

= 7^-25+26= 7^1

I think u Understand the answer.

Answer 2

Answer:

6 * 7^-26

Step-by-step explanation:

we can use the identity a^-m = 1 / a^m

= 1 / 7^25 - 1 / 7^26

= 7 - 1 / 7^26

= 6 / 7^26

= 6 * 7^-26