Question

Calcule o valor das expressões
A)2^3×5+3^2=
B)70^0+0^70-1=
C) 3×7^1-4×5^0
D) 3^4-2^4:8-3×4=

Answer 1

a)

2^3*5+3^2=

8×5+3​^2

8*5+9
40+9

49


B)

70^0+0^70-1=

1+0​^70​​−1

1+0−1
0


C)

3×7^1-4×5^0

3*7−4*5^0

3*7−4*1
21-4

17


D)

3^4-2^4÷8-3*4

81−2​^4​​÷8−3*4

81−16÷8−3*4
81−2−3*4
81−2−12
67


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Espero ter ajudado!!!!!!!! :D