Thank you for visiting Calculate the following b 154 99 c 1 003 138 d 625 20 50 8. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Let's calculate each problem step-by-step:
(b) 154 [tex]\times[/tex] 99
To make the calculation easier, we can use the distributive property. Notice that 99 is just 100 - 1.
[tex]154 \times 99 = 154 \times (100 - 1) = 154 \times 100 - 154 \times 1[/tex]
Calculate each part:
- [tex]154 \times 100 = 15400[/tex]
- [tex]154 \times 1 = 154[/tex]
Subtract the two results:
[tex]15400 - 154 = 15246[/tex]
So, [tex]154 \times 99 = 15246[/tex].
(c) 1,003 [tex]\times[/tex] 138
Again, we can use the distributive property, splitting 1,003 as 1,000 + 3.
[tex]1003 \times 138 = (1000 + 3) \times 138 = (1000 \times 138) + (3 \times 138)[/tex]
Calculate each part:
- [tex]1000 \times 138 = 138000[/tex]
- [tex]3 \times 138 = 414[/tex]
Add the two results:
[tex]138000 + 414 = 138414[/tex]
Thus, [tex]1,003 \times 138 = 138414[/tex].
(c) 625 [tex]\times[/tex] 20 [tex]\times[/tex] 50 [tex]\times[/tex] 8
When multiplying several numbers, it's often helpful to multiply them in such an order that makes calculations simpler. Let's compute this product step-by-step:
[tex]625 \times 8 = 5000[/tex]
Explanation: 625 can be split as 500 + 125 or calculated directly. Here, you simplify each number step-by-step.
[tex]5000 \times 20 = 100000[/tex]
[tex]100000 \times 50 = 5000000[/tex]
Therefore, [tex]625 \times 20 \times 50 \times 8 = 5000000[/tex].
These solutions demonstrate the use of basic arithmetic operations and the distributive property to simplify computations.
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