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mihalych1998 [28]

3 years ago

15

What makes 83 cents ?

2 answers:

Murrr4er [49]3 years ago

7 0

75 + 8 = 83 cent 3 quarter and 8

Sliva [168]3 years ago

6 0

83 Cents = 2 Quarters, 1 Nickel, 4 Pennies.

Glad I Could Help, And Good Luck!

~AnonymousGiantsFan~

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Solve 10e^2x - 5 =23^x for x.

yawa3891 [41]

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3 years ago

Evaluate i^31 please help

Nadya [2.5K]

ANSWER

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

EXPLANATION

We want to evaluate

${i}^{31}$

Use indices to rewrite the expression as:

$= {i}^{30} \times i$

We know that

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

So we rewrite the expression to obtain;

$= ({ {i}^{2}) }^{15} \times i$

This gives us;

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

This simplifies to

$= - 1 \times i$

$= - i$

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