Question

the unit digit of the cube of 43 is ________​

Answer 1

So, we need to find the units digit of 3^43 + 3^33. 3^5=243 (the units digit is 3 again!) Thus: The units digit of 3^43 is the same as the units digit of 3^3, so 7 (43 divided by the cyclicity of 4 gives the remainder of 3).

Step-by-step explanation:

Here is your answer

Answer 2

Answer:

(43) 3 has 3×3×3×=27 , that's 7 as its unit digit

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