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Greatest 4 digit number is 9999

In the exponential forms, it can be written as:

i) 9999 = 9.999×10³

ii) 9999 = 3×3×11×101 = 3² × 11¹ × 101¹

In the exponential forms, it can be written as:

i) 9999 = 9.999×10³

ii) 9999 = 3×3×11×101 = 3² × 11¹ × 101¹