Answer:
5310
Step-by-step explanation:
[tex]90 \times 59 \\ = 90 \times (60 - 1) \\ = 90 \times 60 - 90 \times 1 \\ = 5400 - 90 \\ = 5310 \\ \therefore \: \: 90 \times 59 = 5310[/tex]
