5,888,000,000,000 miles is equivalent to 1 light year. What is this number represented in scientific notation?

5.888x10^12

Step-by-step explanation:

First you got to make the number a decimal, but it can't be above 10 or below 1. So, we end up with 5.888000000000. Then, to get rid of all the zeros, we use the x10^12. The exponent is basically how many times the decimal has to move back to the right to get the original number.

Step-by-step explanation:

Given

Solving (a): T7

Substitute 7 for n in

Calculate S7 and S6

So:

Solving (b): Tn

Where

Calculate

We have:

Open brackets

So:

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