The sum of (3.3 x 10 ^ 6) and (4.9 x 10 ^ 5) in CORRECT scientific notation is? (ASAP)

Question

The sum of (3.3 x 10 ^ 6) and (4.9 x 10 ^ 5) in CORRECT scientific notation is? (ASAP)

Answer 1

3.3 x 10^6 + 4.9 x10^5

= 3.3 x 10^6 + 4.9 x 10^-1 x 10^6

= 3.3 x 10^6 + 4.9 x 0.1 x 10^6

= 3.3 x 10^6 + 0.49 x 10^6

= (3.3 + 0.49) x 10^6

= 3.79 x 10^6

if you want to check the answer

or solve the problem in an alternative method

3.3 x 10^6 = 3.3 x 1,000,000 = 3.3 million

4.9 x 10^5 = 4.9 x 100,000 = 0.49 million

add them to get (3.3 + 0.49) million = 3.79 million = 3.79 x 10^6

3.3 x10^6 = 3,300,000

4.9 x 10^5 = 490,000

3,300,000 plus 490,000 = 3,790,000 = 3.79 x 10^6