Which number in scientific notation is one thousand times larger than 3.7 x 103 ? a) 3.7 x 104 b) 3.7 x 105 c) 3.7 x 106 eliminate d) 3.7 x 107

3.7 x 10³ is the scientific notation
3700 is its standard form

3,700 x 1000 = 3,700,000

3.7 x 10⁶ is its scientific notation. Choice C.

We can only add the number of zeros there are in the exponent. 

3.7 x 10³  ; there are 3 zeros in 1,000

3.7 x 10³ ⁺ ³ = 3.7 x 10⁶