Jambmaths question: Convert 5537 to a number base 10 Option A: 283 Option B: 271 Option C: 298 Option D: 292 Jamb Maths Solution: ${{553}_{7}}=5\times {{7}^{2}}+5\times 7+3\times {{7}^{0}}=283$ Jamb Maths Topic: Number Base SystemYear of Exam: Jamb Maths 2017