Answer:

Top bound = 0.001695

Lower bound = 0.001685

Step-by-step explanation:

The number given is 0.00169

Now, this is in 5 decimal places.

So, the lower bound will be;

0.00169 - 0.000005 = 0.001685

Thus is because rounding 0.001685 will give 0.0169

But for the top bound, we will add 0.000005 to the number;

Thus;

0.00169 + 0.000005 = 0.001695

**Answer:**

(a+3)^3

a^3 + b^3 + 3ab **[****i**dentity : (a+b)^3 )**]**

a^3+ 3^3 + 3×a×3

a^3 +27+9a

**answer**** ****:**** **a^3+27+9a

hope it helps you

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