1)aplicando a definição de potência calcule o valor de:

A) 8 ao quadrado

B)(- 13)2 ao quadrado

C)(- 7)3 ao quadrado

D)(- 0,9)1 ao quadrado

E)5 3ao quadrado

F)(- 3,2)2 ao quadrado

G) - 15 2ao quadrado

H) fração de 2

- 3. 5 ao quadrado

I)(- 3)4ao quadrado

A) .

B)

C)

D) .

E)

F) .

G) .

H)  

I)

Step-by-step explanation:

Pela definição de potência temos que, todas as potencias pares tem sinais deixam o resultado com o sinal positivo, já as potencias impares mantém seus respectivos sinais iniciais.

Podemos ver quando calculamos, pela definição:

A)

∴ .

B)

∴

C)

.

∴

D)

=(-0,9)

∴ .

E)

= 125.

∴

F)

∴ .

G) ,

∴ .

H)

∴

I)

∴

step-by-step explanation:

this woman was an important writer and propagandist during the american revolution. she was a member of the committee of correspondence (in fact the committee was formed in her home) and was an advisor to many of the revolutionary leaders, including george washington and john adams. who was this revolutionary woman?

step-by-step explanation:

it's is b