Practice problem
Select the answers that evaluate to positive numbers.
555
−5⋅−6-5\cdot-6−5⋅−6
−9⋅4-9\cdot4−9⋅4
−1⋅−2⋅−5⋅2-1\cdot-2\cdot-5\cdot2−1⋅−2⋅−5⋅2
Type a concept, like “slope” or “photosynthesis”.
