Question

What us the sum of (4.5 x 10²) + (6.0 x 10³) in scientific notation?

Answer 1

Answer:

6.45*10^3

Step-by-step explanation:

Answer 2

Answer:

$6.45*10^3$

Step-by-step explanation:

$4.5*100=450\\6*1000=6000\\6000+450=6450$

6450 in scientific notation is 6.45*10^3