The butcher sold 200 pounds of meat on Thursday. She sold double

write the product of the expression 5^4 * 5^-7 using a positive exponent, then write the product using a negative exponent

pav-90 [236]

Answer with positive exponent = $\left(\frac{1}{5}\right)^3$ or $\frac{1}{5^3}$

Answer with negative exponent = $5^{-3}$

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Explanation:

The rule we use is

$a^b*a^c = a^{b+c}$

If we multiply two exponential expressions with the same base, then we add the exponents.

The base for each is 5. The exponents 4 and -7 add to -3.

This means

$5^4*5^{-7} = 5^{4+(-7)} = 5^{-3}$

To convert to a positive exponent, we apply the reciprocal to the base. We go from 5, aka 5/1, to 1/5.

So, $5^{-3} = \left(\frac{1}{5}\right)^3 = \frac{1^3}{5^3} = \frac{1}{5^3}$

3 0

2 years ago

An item has increased by<br> 23% to £58.<br> What was the original<br> price?

yKpoI14uk [10]

Answer:

The answer is 44.66

Step-by-step explanation:

Multiply 58 by 0.23. This will give you 13.34. Next, you subtract this from 58 to get your original price.

4 0

3 years ago

PLEASE HELP QUESTION IN PICTURE.

nika2105 [10]

Answer:

D

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

5/6 minus (- 3/4) <br> HELP PLS

n200080 [17]

Answer:

In order to solve this problem, you have to find the lowest common denominator. Take multiples of both 6 and 4 and see which is the lowest you have in common.

4: 4, 8, 12, 16, 20

6: 6, 12, 18, 24

So 12 is the lowest common multiple....

5/6 x ?/? = ?/12 (you have to multiply the numerator and the denominator by the same number)

3/4 x ?/? = ?/12 (you have to multiply the numerator and the denominator by the same number)

When the denominators are the same, you can subtract the numerators. The denominator will stay 12!

Step-by-step explanation:

YAY! I want a brain

8 0

3 years ago

Read 2 more answers

HELP ASAP WILL GIVE BRAINLIEST!!!

Savatey [412]

Answer:

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Step-by-step explanation:

3 0

3 years ago