(−916×815)=?
(a) −310
(b) −415
(c) −925
(d) −25
−916×815=−9×816×15=−72240=−72÷24240÷24=−310
Find the product of:
(1) 15 × 6
(2) 16 × (−8)
(3) 20 × (−5)
(4) (−35) × (10)
(5) (−25) × (−5)