Question

16. Calcule o valor de:
a) 7!
—
4
b) 3! . 7!
———
4! . 6!​

Answer 1

Resposta:

a) 5040

b) 30240

c) 17280

Explicação passo a passo:

a) $7!=1\cdot \:2\cdot \:3\cdot \:4\cdot \:5\cdot \:6\cdot \:7=5040$

b) $3!\cdot \:7!=1\cdot \:2\cdot \:3\cdot \:7!=1\cdot \:2\cdot \:3\cdot \:1\cdot \:2\cdot \:3\cdot \:4\cdot \:5\cdot \:6\cdot \:7=30240$

c) $4!\cdot \:6!=1\cdot \:2\cdot \:3\cdot \:4\cdot \:6!=1\cdot \:2\cdot \:3\cdot \:4\cdot \:1\cdot \:2\cdot \:3\cdot \:4\cdot \:5\cdot \:6=17280$