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What is the product of 10 and -10?
20
How many ones are in 10 tens?
There are 100 ones in 10 tens. This is because each ten consists of 10 ones, so multiplying 10 by 10 gives you 100.
Why is 100 x 0.1 equals 10 without using the rule of moving the decimals?
You what to understand that 0.1 = 1/10 so you really have.. 100* 1/10 = 100/10 which clearly equals 10 You must not understand the "rules of decimals" yet. Look things over more carefully. For me the rules of decimals says that when you have multiplication, if you move one decimal to the right you must move another decimal to the left by the same amount In your example.. 100 x 0.1 =10 It works because 100 = 100.0 Note when you move a decimal to the right you are effectively multiplying the number by 10, for example... 23.3 x 10 = 233.0 When you move it to the left you are dividing it by 10.... 23.3 /10 = 23.3 ÷ 10 =2.33
What is 4 times the square root of 100?
sqrt(100) = ±10 Multiplying this by 4 gives either 10 x 4 = 40 or -10 x 4 = -40.
How is multiplying by a decimal by 100 similar to multiplying a whole number by 100 How is it different?
10000
