Question

calcule 11²¹ × 13²⁷ + 5² - 2³ - 13²⁷ ÷ 13²¹
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Answer 1

Resposta:

$11^{21} =7,40\\13^{27}= 1,19\\5^{2}= 25\\-2^{3} =-8\\-13^{27} =-1,19\\13^{21}=2,47$

Agora é só substituir

$7,40$×$1,19$$+25-8-1,19$÷$2,47$

Resposta: 25,33