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stich3 [128]
2 years ago
5

What is the exponent for 23,000 when writen in scientific notation​

Mathematics
1 answer:
Fiesta28 [93]2 years ago
8 0

Answer:

2.3 x 10⁴

Step-by-step explanation:

23000 is the number. You need the decimal to be in between the two whole numbers that aren't 0.

2.3 <

2.3 x 10, the exponent after the ten has to move the decimal to the original number of spaces in the original number 23000.

In 23000 its 4 places so your answer would be

2.3 x 10⁴

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What is the volume of a pyramid with a base of 22 and a height of 24
larisa86 [58]

Answer:3872

Step-by-step explanation: If base length and base width equal 22, and pyramid height is 24 then you multiply those and divide by three.

V= \frac{22x22x24}{3}

8 0
3 years ago
4. A map has a scale of 1 inch = 100 miles. The distance between two cities is 7.25 inches. If a car travels
motikmotik

Answer:

14.5 hours/14 hours 30 minutes

Step-by-step explanation:

  • The distance between the two cities is 7.25•100=725 because you multiply the scale distance by the scale.
  • The number hours is 725/50=14.5 hours because you divide the distance by 50 (the miles per hour).
4 0
3 years ago
Find the gradients of line a and b
gayaneshka [121]

Answer:

Gradient of A: 2

Gradient of B: -1

Step-by-step explanation:

Gradient = change in y/change in x

✔️Gradient of A using two points on line A, (2, 5) and (0, 1):

Gradient = (1 - 5)/(0 - 2) = -4/-2

Simplify

Gradient of A = 2

✔️Gradient of B using two points on line B, (0, 5) and (5, 0):

Gradient = (0 - 5)/(5 - 0) = -5/5

Simplify

Gradient of B = -1

5 0
2 years ago
Find the missing side of the triangle
Ivanshal [37]

Answer:

25 in

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Trigonometry</u>

[Right Triangles Only] Pythagorean Theorem: a² + b² = c²

  • a is a leg
  • b is another leg
  • c is the hypotenuse<u> </u>

Step-by-step explanation:

<u>Step 1: Identify</u>

Leg a = 24

Leg b = 7 in

Leg c = <em>x</em>

<em />

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute in variables [Pythagorean Theorem]:                                          24² + 7² = x²
  2. Evaluate exponents:                                                                                      576 + 49 = x²
  3. Add:                                                                                                                 625 = x²
  4. [Equality Property] Square root both sides:                                                 25 = x
  5. Rewrite/Rearrange:                                                                                        x = 25
8 0
3 years ago
Write a division problem that has a 3-digit dividend and a divisor between 10 and 20. Show how to solve it by drawing a quick pi
stich3 [128]

Answer:

In the division problem,

The number which is divided is called dividend,

While, the number which divides, is called divisor,

Let dividend = 150 ( a three digit number ),

Divisor = 15 ( a number between 10 and 12 ),

So, the problem would be,

150\div 15

In the below figure,

Take a grid that shows 150,

Divide this grid such that each box represents 15,

Thus, there are such 10 boxes,

That is,

150\div 15 = 10

7 0
2 years ago
Read 2 more answers
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