Write the steps for how to use a number line to multiply a 2-digit number by 20. give an example
Answers
To obtain the multiplication of digits number by
first jump two times the
digit number then jump
times by the result we get in step 1.
Further explanation:
A straight line that has all real numbers is known as number line.
The steps involve in multiplying 2-digit number by are as follows.
1. First multiply the two digit number by 2 and the get the result.
2. Multiply the result by to obtain the final result.
For example we have to multiply by
on the number line.
Following are the steps involve in multiply by
on the number line.
Step 1
Multiply 15 by 2 as,
Make 2 jumps of 15 to get 30.
Step 2
Multiply to
to obtain the final result.
Now make 10 jumps of 30 to get .
To obtain the multiplication of 2 digits number by first jump two times the 2 digit number then jump
times by the result we get in step 1.
Kindly refer to the image attached to the question.
Learn more:
1. Problem on multiplication brainly.com/question/573729
2. Problem on division brainly.com/question/545132
3. Problem on lines brainly.com/question/8554769
Answer details:
Grade: Junior school
Subject: Mathematics
Chapter: Number line
Keywords: two digit number, number line, twenty, multiply, add, jump, examples, multiplication.
Final answer:
To multiply a 2-digit number by 20 using a number line, draw a number line, plot your 2-digit number, make jumps of 20 units equal to your 2-digit number. The end point is the product.
Explanation:
To use a number line to multiply a 2-digit number by 20, follow these steps:
- First, draw a number line. You can start at 0 and end at a number that is more than the product of your multiplication.
- Plot your 2-digit number on the number line.
- Start from your plotted point, and make jumps of 20 units each. The number of jumps should be equal to the quantity of your 2-digit number.
- The point where you land, after making the necessary jumps, is the product of your multiplication.
For example, if you want to multiply 3 by 20: plot 3 on your number line, jump 3 points of 20 units each from point 3. You will land at 60, which is the product of 3 and 20.
Learn more about Number line multiplication here:
#SPJ3
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Answers
A. 4.33x10^4
B. 5.68x10^5
C. 9.1x10^9
D. 9.1x10^5
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5.3 x 10^5 actually equals 530,000
3.8 x 10^4 actually equals 38,000
Since it is asking for the sum of the numbers you are adding.
Your new equation look like this:
530,000 + 38,000
= 568,000
now all you have to do is count the decimal points. You start from the end zero and count the spaces in between until you get to the tenths place. (Right behind the first number) There are 5
So your answer will be:
B. 5.68 x 10^5.
Answers
Therefore, we can conclude that the formula for the volume of a cube is:
=side³=s³
Or =Base area×height
Which is the same thing, because we multiply the same numbers thrice.
V of cube=side³
=7³ (side length is 7 in)
=343 in³
Answers
⇒ s= -8/ (3/7) (inverse operation)
⇒ s= -8* (7/3)
⇒ s= (-8* 7)/3
⇒ s= -56/3
⇒ s= -18 2/3
Final answer: s= -18 2/3~