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3 years ago

What is the value of 26+5-4*3

Mathematics

1 answer:

MatroZZZ [7]3 years ago

8 0

You have to use PEMDAS (Parentheses Exponents Multiplication/Division Addition/Subtraction) to solve this,

Because you don't have any parenthesis or exponents you start with Multiplication/Division. This means you do 4*3 to get 26+5-12

Then, you move to Addition/Subtraction in which you complete left to right, So you do 26+5 to get 31-12

Finally you subtract 31-12 to get 19

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V125BC [204]

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3 years ago

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Are the square root of 5/4 and the square root of 3/4 irrational or rational?

natka813 [3]

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3 years ago

carly mowed 2 more lawns than Roco each week for 6 weeks. carly mowed a total of 18 lawns. how many did Rocco mow each week?

mylen [45]

Answer:

Rocco mowed 1 lawn a week.

Step-by-step explanation:

If Carly mowed 18 lawns in six weeks that’s 3 lawns a week and 3-2=1.

Thus Rocco mowed 1 lawn a week.

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3 years ago

A family earns $523 from a yard sale. They pay $45 in advertising fees. What's the family's profit from the yard sale Use formul

xeze [42]

$478 by using the provided formula ...
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3 years ago

Applying properties of Exponents in exercise,use the properties of exponents to simplify the expression.See example 1.

evablogger [386]

Answer: a) 15625, b) 0.2, c) 625, d) 0.008.

Step-by-step explanation:

Since we have given that

a) $(5^2)(5^3)$

As we know that

$a^m\times a^n=a^{m+n}$

So, it becomes,

$5^2\times 5^3=5^{2+3}=5^6=15625$

(b) $(5^2)(5^{-3})$

So, it becomes,

$5^2\times 5^{-3}=5^{2-3}=5^{-1}=\dfrac{1}{5}=0.2$

As we know that

$(a^m)^n=a^{mn}$

So, it becomes,

$5^{2\times 2}=5^4=625$

(d) $5^{-3}$

$a^{-m}=\dfrac{1}{a^m}\\\\5^{-3}=\dfrac{1}{5^3}=\dfrac{1}{125}=0.008$

Hence, a) 15625, b) 0.2, c) 625, d) 0.008.

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3 years ago