Respuesta :

Given:

[tex]\begin{gathered} a)1.2\times10^3 \\ b)7.5\times10^^{-4} \end{gathered}[/tex]

To find:

The number given in a specific notation is representing a large or small number.

Explanation:

a) It can be written as,

[tex]\begin{gathered} 1.2\times10^3=1.2\times1000 \\ =1200 \end{gathered}[/tex]

So, it is a large number.

b) It can be written as,

[tex]\begin{gathered} 7.5\times10^{-4}=7.5\times\frac{1}{10^4} \\ =\frac{7.5}{10000} \\ =0.00075 \end{gathered}[/tex]

So, it is a small number.

Final answer:

a) Large

b) Small