Write 12,400,000 in scientific notation.

a.1.24*10^[7]
b.1.24*10^[4]
c.1.24*10^[1]
d.12.4*10^[7]

A ) .

Step-by-step explanation:

Given  : 12,400,000 .

To find : Write 12,400,000 in scientific notation.

Solution : We have given 12,400,000 .

Steps to write in scientific notation :

Step 1 : If a number has n digit we move decimal point ( n-1) place to left  and to balance , multiply by .

We can see there are n = 8 in 12,400,000 .

So, we move decimal point 7 place to the left .

Then  .

Therefore,  .

expression #3 is not equivalent. the others are.