MATHEMATICS MIDDLE SCHOOL

Which number is greatest?2.89 x 10^-8
1.997 x 10^2
8.9×10^-6.
5×10^-6

Answers

Answer 1

Answer:

Answer:

1.997 x 10²

Step-by-step explanation:

The number with the highest exponent is the greatest value.

10² is bigger than 10⁻⁶ and 10⁻⁸, so 1.997 x 10² is your answer.

Answer 2

Answer:

Answer: It is B I just took the test and the answer is B

Step-by-step explanation:

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What is 12=0.5a?help?

Answers

The value of a in the equation 12 = 0.5a is,

⇒ a = 40

We have to given that;

The expression to solve for a is,

⇒ 12 = 0.5a

Now, We can simplify and find the value of a as,

⇒ 12 = 0.5a

⇒ 0.5a = 12

Divide by 0.5;

⇒ a = 12 / 0.5

⇒ a = 120/5

⇒ a = 40

Thus, The value of a in the equation 12 = 0.5a is,

⇒ a = 40

Learn more about the equation visit:

brainly.com/question/28871326

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the answer is 24 becuse we move 0.5 so 12 ÷0.5 =24

Write a division expression for Alaska population density

Answers

if you are wondering about a word divion problem using Alaska Population density than you could do something like this

Hope this helps ;3

Which of the following is a proper fraction.
7/6 4/3 1/2. or 3/3

Answers

1/2. The numerator is smaller than the denominator.

Solve:

r
5
- 6 = -1

Answers

that's right, 5- 6= -1

If this is your question: 5r - 6 = -1 then keep reading

1) Write the question.
5r - 6 = -1

2) Bring the -6 to the other side by doing the inverse, +6 to both sides
5r = 5

3) Divide both sides by 5, to get the value of r
r = 1

The above is the answer :)

Kelly has 4 dimes and some nickels. The total value of her coins is $2.25. Write an equation for this.