3 years ago

Z to the power of what equals 9?

Mathematics

1 answer:

dybincka [34]3 years ago

3 0

3 to the power of 2 equals 9.

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4 years ago

I need help on the question up here

vovangra [49]

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3 years ago

A minimum number of 17

inn [45]

Answer: of what?

Step-by-step explanation:

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3 years ago

Last month, Belinda worked 160 hours at a rate of $10.00 per hour. If her employer retains 9% of her gross salary, is $1,500 a r

sleet_krkn [62]

We have been given that last month, Belinda worked 160 hours at a rate of $10.00 per hour.

Let us find amount earned by Belinda last month as:

$\text{Amount earned in 160 hours}=\$10\times 160$

$\text{Amount earned in 160 hours}=\$1600$

We are also told that Belinda's employer retains 9% of her gross salary. This means that Belinda's net income will be 91% of $1600. $(100\%-9\%=91\%)$ .

$\text{Belinda's net income would be}=\$1600 \times \frac{91}{100}$

$\text{Belinda's net income would be}=\$16\times 91$

$\text{Belinda's net income would be}=\$1456$

Upon rounding $1456 to nearest hundred, we will get:

$\text{Belinda's net income would be}\approx \$1500$

Therefore, $1500 is a reasonable estimate of her net salary.

8 0

4 years ago

Which exponent is missing from this equation<br> 5.6=56,000

Neko [114]

Answer:

The missing exponent is 4

Step-by-step explanation:

Let

$5.6 \times {10}^{n} = 56000$

Then we rewrite the LHS in scientific notation to get;

$5.6 \times {10}^{n} = 5.6 \times {10}^{4}$

This implies that,

${10}^{n} = {10}^{4}$

By comparison, we find n=4.

Therefore the missing exponent is 4

6 0

3 years ago