JEE Main Important Physics formulas
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In mathematics, multiplication stands for the repetitive addition of a particular number which is also known as the product of the number. A mathematical operation for an algebraic system can be represented by a mathematical multiplication table. This operation is important because it allows us to find the total number of items in a group when we know the number of items in each individual group. For example, if we have four groups of five apples, we can use multiplication to determine that there are 20 apples in total. Multiplication is also used to find the area of a rectangle by multiplying the length and width of the rectangle.The multiplication chart or table can be used to show the product of two numbers. It’s a tool used to learn how to multiply two numbers. These can prove to be really helpful while doing basic arithmetic calculations and can help save a considerable amount of time and effort. To obtain the multiplication table of 142, we will repeatedly add the even number 142. The number of times we add the composite number 142, we will get the multiplication or the product of 142. For example, if 142 is added 7 times, we get
142+142+142+142+142+142+142
which is equal to 994. This can be also written as
142 \times 7 = 994
Repetitive addition of a particular number can be represented by a multiplication table to represent the multiplication table or times table for 142 we repeatedly add the number and obtain the final result. The following table represents the repetitive addition and the final results for the composite number 142:
142\times 1 = 142 | 142 |
142\times2 = 284 | 142 + 142 = 284 |
142 \times 3 = 426 | 142 + 142 + 142 = 426 |
142 \times 4 = 568 | 142 + 142 + 142 + 142 = 568 |
142 \times 5 = 710 | 142 + 142 + 142 + 142 + 142 = 710 |
142 \times 6 = 852 | 142 + 142 + 142 + 142 + 142 + 142 = 852 |
142 \times 7 = 994 | 142 + 142 + 142 + 142 + 142 + 142 + 142 = 994 |
142 \times 8 = 1136 | 142 + 142 + 142 + 142 + 142 + 142 + 142 + 142 = 1136 |
142 \times 9 = 1278 | 142 + 142 + 142 + 142 + 142 + 142 + 142 + 142 + 142 = 1278 |
142 \times 10 =1420 | 142 + 142 + 142 + 142 + 142 + 142 + 142 + 142 + 142 + 142 = 1420 |
the following table contains the multiplication of 120 upto 20 times. If observed closely, a pattern can be observed in the 142 multiplication table, whereas 142 is an even number, the final products are also all even numbers.
142 | × | 1 | = | 142 |
142 | × | 2 | = | 284 |
142 | × | 3 | = | 426 |
142 | × | 4 | = | 568 |
142 | × | 5 | = | 710 |
142 | × | 6 | = | 852 |
142 | × | 7 | = | 994 |
142 | × | 8 | = | 1136 |
142 | × | 9 | = | 1278 |
142 | × | 10 | = | 1420 |
142 | × | 11 | = | 1562 |
142 | × | 12 | = | 1704 |
142 | × | 13 | = | 1846 |
142 | × | 14 | = | 1988 |
142 | × | 15 | = | 2130 |
142 | × | 16 | = | 2272 |
142 | × | 17 | = | 2414 |
142 | × | 18 | = | 2556 |
142 | × | 19 | = | 2698 |
142 | × | 20 | = | 2840 |
Problem 1: Find the value of 142 \times 17 + 25
Solution: From the table, 142 \times 17 = 2414
,
= 142 \times 17 + 25
= 2414 + 25
= 2439
Thus the value for 142 \times 17 + 25 , is 2439
Problem 2: Find the value of 142 \times 10 - 250
Solution: From the table, 142 \times 10 = 1420
,
= 142 \times 10 - 250
= 1420 - 250
= 1170
Thus the value for 142 \times 10 - 250 , is 1170
Problem 3: What is the value of 142 \times 24
Solution: The value of 142 \times 24 is, 3408
Problem 4: Find the value of 142 \times (4 \div 2)
Solution: By simple division, 4 \div 2 = 2
,
= 142 \times (4 \div 2)
= 142 \times 2
= 284
Thus the value for 142 \times (4 \div 2) , is 284
Problem 4: Find the value of 142 \times (8 - 3)
Solution: By simple subtraction, 8 - 3 = 5
,
= 142 \times (8 - 3)
= 142 \times 5
= 710
Thus the value for 142 \times (8 - 3) , is 710
The factors of 142 are 1,2,71,142, thus 142 has 4 factors.
No, 142 does not divide 1425 fully, thus 1425 is not divisible by 142.
There exist 3 prime factors of 142, which are 1,2,71.
A multiplication table is really helpful in real-life applications such as calculating area or counting multiple items of the same type, even counting the number of rows or columns in a particular table.
No it is not important to follow the order in multiplication, two or more numbers can be multiplied in any order and the final result will be the same.
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