Respuesta :

Answer:

-573.15

Step-by-step explanation:

1.Multiply the numbers

(8.1•10)-1(6.23.105)

(81)-1(6.23•105)

2.multiply the numbers

(81)-1(6.23•105)

81-1-1(654.15)

3.multiply the numbers

81-1-1(654.15)

81-654.15

4.Subtract the number

81-654.15

-573.15