Respuesta :

Answer:

( 2 x 10^7) + ( 3 x 10 ^4)

you can change each of them back to the normal form

i,e 2 x 10^7 = 20000000

    3 x 10 ^4 = 30000

then add, i.e 20,000,000 + 30,000 = 20,030,000

convert back to standard form

which is 2.003 x 10^7

Step-by-step explanation: