Write the following numbers in scientific notation.

1. $370{,}000{,}000$ 

   Hint (a):

   How many places to the left do you have to move the decimal to make this only $2$ numbers?

   Answer (a):

   $3.7 \cdot 10^8$

2. $7600$ 

   Hint (b):

   Use the same method as part (a).