Question

MA stands for Mega Annum (Millions of years), so 4,600,000,000 would be point written as

a) 4.6 MA
b) 46 MA
c) 460 MA
d) 4600 MA

Answer 1

The abbreviation MA stands for Mega Annum, which represents millions of years. To express the number 4,600,000,000 in terms of MA, we divide the number by 1,000,000,000 since 1 billion is equivalent to 1 GA (Giga Annum). The correct option to represent 4,600,000,000 in MA is c) 460 MA.

Step-by-step explanation:

The abbreviation MA stands for Mega Annum, which represents millions of years. To express the number 4,600,000,000 in terms of MA, we divide the number by 1,000,000,000 since 1 billion is equivalent to 1 GA (Giga Annum). Therefore, the correct option to represent 4,600,000,000 in MA is c) 460 MA.