Question

Multiplicative inverse of 7-2 is

(a) 49

(b) 1/49

(c) 7

(d) -14​

Answer 1

Answer:

option (a) 49 is correct answer

Explanation:

multiplicative inverse of 7^-2= 7^2

so right answer is 49

please mark me brain liest

Answer 2

Answer:

Why do copper vessels develop a greenish layer when exposed to moist air?