a) \(\left(-13\right).7=-91\)
b) \(8.\left(-9\right)=-72\)
c) \(245.\left(-2\right)=-490\)
d) \(\left(-61\right).\left(-5\right)=305\)
e) \(\left(-6\right).\left|-28\right|=-168\)
f) \(\left(-11\right).\left(-91\right)=1001\)
g) \(\left(-20\right).0=0\)
h) \(9.17=153\)

