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2 years ago

Exponent rules 2 problems, please help.

Mathematics

2 answers:

tangare [24]2 years ago

6 0

Here you go! Hope this helps!

Likurg_2 [28]2 years ago

5 0

Answer:

3:a 4:b

Step-by-step explanation:

if 5^2 x 5^4 you add the exponents so then it would be 5^6

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Miss Johnson gave a $1.50 tip to a waitress for serving a meal costing $10.00. What percent of the bill was her tip? PLZ ANSWER

nataly862011 [7]

Answer:

it's 15 percent

Step-by-step explanation:

1% = 0.10

2% = 0.20 and so on

so we know that 1% is 0.10 so if you multipy 15 x 10= 150 and if you do 1.50 divieded by 10 you would get 15 :)

(sorry if this is wrong)

3 0

2 years ago

86.40-12.59 plz answer

Evgen [1.6K]

The answer is 73.81 :))

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2 years ago

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Units of Capacity

marysya [2.9K]

Answer:

$\large\boxed{\large\boxed{0.2deciliter}}$

Explanation:

Build your conversion factors using the conversion table:

$1 cup = 0.237 liters\implies 1=0.237liters/1cup$

From the prefixes used in the metric system, you know that 1 deciliter = 0.100 liters. Then:

$1 deciliter = 0.100 liters\implies 1=1deciliter/0.100liters$

Arrange the expression to simplify the units and convert from cups to deciliters:

$9cups\times 0.237liters/cup\times 1deciliter/0.100liters=0.2133deciliter$

Round to the nearest tenth: 0.2 deciliter.

4 0

3 years ago

Read 2 more answers

What is the scientific notation for 140000

vampirchik [111]

You move the decimal point forward until it reaches the one so it looks like this:

1.4 x 10⁵

the exponent, 5, just tells you how many spaces the decimal point moved.

6 0

3 years ago

Ralph invested in a mutual fund and at the end of 20 years he has $14,300 in his account. If the mutual fund returned an average

Semenov [28]

Answer:

$\$5,500$

Step-by-step explanation:

we know that

The simple interest formula is equal to

$A=P(1+rt)$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

in this problem we have

$t=20\ years\\ P=?\\ A=\$14,300\\r=8\%=8/100=0.08$

substitute in the formula above

$14,300=P(1+0.08*20)$

$14,300=P(2.6)$

$P=14,300/(2.6)$

$P=\$5,500$

7 0

2 years ago