2 years ago

When multiplying with decimals...

Mathematics

1 answer:

laiz [17]2 years ago

8 0

Answer:

Step-by-step explanation:

Decimal place can be counted before multiplying. The multiply number without decimals, when you get the answer add the decimal place back.

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A child has 4 wooden blocks. How many different ways can she stack 3 of them into a tower?

faltersainse [42]

Answer:

Step-by-step explanation:

To find the number of different ways she can stack 3 of them in a tower, we need to use the formula:

$_{n}P_{k}=\dfrac{n!}{(n-k)!}$

n = 4

k = 3

$_{n}P_{k}=\dfrac{4!}{(4-3)!}$

$_{n}P_{k}=\dfrac{4!}{1!}$

$_{n}P_{k}=\dfrac{4*3*2*1!}{(1)!}$

$_{n}P_{k}=\dfrac{4*3*2*1!}{1}$

$_{n}P_{k}=\dfrac{24}{1}$

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2 years ago

If f(y) = 2y - 2/5,<br> what is f(f^-1(1024))?

SCORPION-xisa [38]

Answer:

-0.399

Step-by-step explanation:

f^-1(1024)=(2*1024-2/5)^-1= 0.000488

f(0.000488)=2*0.000488-2/5= -0.399

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2 years ago

In one day, 72 people take group tennis lessons at Cherry Hills Country Club. The club provides 9 lessons each day. If an averag

Rina8888 [55]

Answer ;

Step-by-step explanation:

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3 years ago

Integer Basics

Furkat [3]

Can you retype whatever you’re asking in this please?

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3 years ago

Which expression is equivalent to -16 - 7?

lakkis [162]

Step-by-step explanation:

B. -16 + (-7) ...this is the same as -16-7

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2 years ago