Answer:
triangle
Step-by-step explanation:
(16)(1) => identity property of multiplication
2(3+7) = 2(3) + 2(7) => distributive property
(2+6) + 3 = 2+ (6+3) => associative property
9+0 = 9 => identity property of addition
8 x 4 = 4 x 8 => commutative property
Standard form - eighteen
number form - 18
expanded form - 10 + 8
NRN
I would mark answers:
HL, HA, ASA.
