3 years ago

Pls help again (picture below)

Mathematics

1 answer:

Olenka [21]3 years ago

8 0

Answer:

C 10 to the power of 7 equals 10,000,000 and x 3.45 = 3450000000

Step-by-step explanation:

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ANSWER

${i}^{31} = - i$

EXPLANATION

We want to evaluate

${i}^{31}$

Use indices to rewrite the expression as:

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We know that

${i}^{2} = - 1$

So we rewrite the expression to obtain;

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This gives us;

$= {( - 1) }^{15} \times i$

This simplifies to

$= - 1 \times i$

$= - i$

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Step-by-step explanation:

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