Question

Ritu was reading a book and found that the universe is about 12,000,000,000 years old. She wants to express it in standard form but seems to be confused. Help her by identifying the correct option given below:

Answer 1

A) 1.2×10^10

=12000000000

Answer 2

Answer:

A)

$1.2 \times {10}^{10 }$

Step-by-step explanation:

Since 12 is followed by 9 zeros then 9 zeros plus one 2