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3 years ago

Multiply(4×10^4)(3.63×10^-4) in scientifc notation

Mathematics

1 answer:

Semenov [28]3 years ago

8 0

4(10^4)(3.63(10-4))

= 363/25

Answer is 14.52

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Samantha sends her son, Barry, to a preschool center on certain days. The cost of preschool is $45 per day along with a fixed mo

MAXImum [283]

Answer:

Step-by-step explanation:

We are given fixed monthly charge = $70.

The cost of preschool per day = $45.

Number of days = d.

Total cost of d days = cost per day × number of days + fixed monthly charge.

Therefore, we get equation

880 = 45×d+70

Now, we need to solve the equation for d.

Subtracting 70 from both sides, we get

880-70 = 45d +70-70

810=45d

Dividing both sides by 45, we get

$\frac{810}{45} =\frac{45d}{45}$

18=d.

Therefore,<em> 18 days Barry attended preschool last month.</em>

<em>Therefore, correct option is D option.</em>

4 0

2 years ago

Find the complete factored form of the polynomial -24a6b4-40a3

Naddik [55]

For this case we have the following polynomial:

$-24a ^ 6b ^ 4-40a ^ 3$

We must find the greatest common factor of the terms of the polynomial.

The GCF of the coefficients is given by:

$24 = 3 * 8\\40 = 5 * 8$

Then we look for the GFC of the variables:

We have then:

$a ^ 6 = a ^ 3a ^ 3\\a ^ 3 = a ^ 3$

Finally rewriting we have: $-24a ^ 6b ^ 4-40a ^ 3 = -8a ^ 3 (3a ^ 3b ^ 4 + 5)$

Answer:

the complete factored form of the polynomial is:

$-8a ^ 3 (3a ^ 3b ^ 4 + 5)$

8 0

2 years ago

Help please!!!!!!!!!!!!!!!!!

krok68 [10]

C. 0.25 because you divide 0.06 by 0.24

5 0

2 years ago

Find 6m if m = 5/13<br><br> Please help<br><br> Leave your answer in fraction form please

gladu [14]

Step-by-step explanation:

or, 6m=5/13

or, m=5/13 ×6m

m=30/13

3 0

3 years ago

5. What is the value of the expression [(29 + 18) +<br>(17 - 8)] = 8?<br>S

Vladimir [108]

Answer:

False ; the answer to that equation is 56

Step-by-step explanation:

6 0

3 years ago