Question

me ajudem por favor é matemática​

Answer 1

Resposta:

a)3.10^2+ 4.10^3=4300

(3+4.10).10^2

(3+40).100

43.100

4300

b)5.10^2.4.10^3=2.10^6

20.10^2+3

20.10^5

c)5.10^4.8.10^3=4.10^8

40.10^4+3

40.10^7

4.10^8

d)8.10^6/4.10^3=2.10^9

2.10^6 .10^3

2.10^9

e)4.10^2+5.10^3=5400

(4+5.10).10^2

(4+50).100

54.100

5400

f)6.10^4 .4.10^2=2,4.10^7

24.10^4+2

24.10^6

2,4.10^7

g)3.10^3.7.10^6=2,1.10^10

21.10^3+6

21.10^9

2,1.10^10

h)15.10^6/3.10^3=5.10^9

5.10^6.10^3

5.10^9

i)24.10^27/6.10=4.10^28

4.10^27.10

4.10^28