Respuesta :

Answer:

a - 6440000 or 6.44 x 10^ 6

b - 0.024 or 2.4 x 10^-2

c - 23239

d - 0.0007 or 7 x 10^-4

Step-by-step explanation:

math

Answer:

1.6440000 / 6.44 x 10^ 6

2.0.024 /2.4 x 10^-2

3. 23239

4.0.0007 /7 x 10^-4

Step-by-step explanation: