5.5x10^9 times 2.3x10^7

Answers

Answer 1

Answer: $5.5* 10^9\cdot 2.3* 10^7\implies (5.5\cdot 2.3)* 10^910^7 \n \quad \n \textit{recall the exponent rules} \n \quad \n (5.5\cdot 2.3)* 10^910^7\implies (5.5\cdot 2.3)* 10^(9+7)$

Answer 2

Answer:

Answer:

Step-by-step explanation:

So 5.5 x 10^9 times 2.3 x 10^7 would equal to 126 500 000.

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Estimate the quotient by rounding the expression to relate to a one-digit fact. Explain your thinking in the space below. a. 432 ÷ 73 ___________ b. 1,275 ÷ 588 ___________

Answers

Estimations are used to get the approximated value of an expression.

The estimate of 432 ÷ 73 is 5.714
The estimate of 1,275 ÷ 588 is 1.667

$\mathbf{(a)\ 432 / 73}$

Round up to 1 digit

$\mathbf{432 / 73 \approx 400 / 70}$

Divide

$\mathbf{432 / 73 \approx 5.714}$

Hence, the estimate of 432 ÷ 73 is 5.714

$\mathbf{(b)\ 1275 / 588}$

Round up to 1 digit

$\mathbf{ 1275 / 588 \approx 1000 / 600}$

Divide

$\mathbf{ 1275 / 588 \approx 1.667}$

Hence, the estimate of 1,275 ÷ 588 is 1.667

Answers

The simplified result of the expression 3-8 divided by 3-2 is -5 .

Let's simplify the expression step by step :

Given expression: (3 - 8) / (3 - 2)

Step 1: Evaluate the numerator and denominator separately:

A fraction is considered to be simplified when it is expressed in the lowest term. That means the only common divisor between the numerator and denominator is .

Numerator: 3 - 8 = -5

Denominator: 3 - 2 = 1

Step 2: Divide the numerator by the denominator:

-5 / 1 = -5

So, the simplified result of the expression is -5 .

To know more about Simplify click here :

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Answer:

-5

Step-by-step explanation:

$(3 - 8)/(3 - 2)$

$( - 5)/(1)$

$- 5$

(4k^4 + 2 - 3k) + (5k^4 + k - 8)

Answers

(4k^4 + 2 - 3k) + (5k^4 + k - 8)
= 4k^4 + 2 - 3k + 5k^4 + k - 8
= 9k^4 -2k -6

The simplest form is 9k^4 -2k -6

Hello!

You can only add values that have the same terms

4k^4 + 5k^4 = 9k^4

-3k + k = -2k

-8 + 2 = -6

The answer is 9k^4 - 2k - 6

Hope this helps!

A second number is 7 less than the first number. The third number is twice the first number. If the sum of the three numbers is 321, find the numbers

Answers

Answer:

x=4

Step-by-step explanation:

hope it will help

First no.=x

2nd no.=2x

3rd no. =2x+6

x+2x+2x+6=26

5x+6=26

5×=26-6

5x =20.......divide both sides by 5

x=4

1st no.=x=4

Allison and her classmates planted bean seeds at the same time as Yuki and her classmates in Tokyo did. Allison is video-chatting with Yuki about their class seedlings. Who should expect to have the taller plant at the end of the school year?PLZ HELP NOW

Allison's Plant: 2.5 inches in 5 days

Yuki's Plant: 5.5 centimeters in 4 days

(HINT: How can we change the rates to compare the growth rate of the seedlings)

Your answer:

Answers

Answer:

yukis plant

Step-by-step explanation:

Create and solve
an equation with
2 variables(x).

Answers

Answer:

5x-2=3x+4

x=3

Step-by-step explanation:

Hope I helped!

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