Sagot :
Step-by-step explanation:
[tex]1.25 {x}^{4} {y}^{4} + 5 {x}^{2} {y}^{2} \: \: 2.10a \: \: 3.45 {m}^{4} {n}^{7?} \: \: 4.16 {a}^{5} \: \: 5.20 {p}^{4} [/tex]
Step-by-step explanation:
[tex]1.25 {x}^{4} {y}^{4} + 5 {x}^{2} {y}^{2} \: \: 2.10a \: \: 3.45 {m}^{4} {n}^{7?} \: \: 4.16 {a}^{5} \: \: 5.20 {p}^{4} [/tex]