



 
HI Grace, Exponential form means anything that involves exponents so this question is not very clear. I expect what is expected is \[735 = 7 \times 100 + 3 \times 10 + 5 \times 1 = 7 \times 10^2 + 3 \times 10^1 + 5 \times 10^{0}.\] I hope this helps,  


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