Calculate

(6.648•10^8)-(2.9•10^7)
Write your answer in scientific notation

(6.648•10^8)-(2.9•10^7) can be calculated as 6.648•10^8 - 2.9•10^7.

To subtract the values in scientific notation, you need to make sure the exponents or powers of 10 are the same. In this case, the exponents are already the same at 8.

Subtracting the coefficients or mantissas: 6.648 - 2.9 = 3.748.

Therefore, the answer is 3.748•10^8 or 3.748×10^8.