63
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When dividing 15.75 by 0.25, you are essentially asking how many times 0.25 can fit into 15.75. To solve this, you can simply divide 15.75 by 0.25 using long division or a calculator. The result is 63.
It is: 15.75/0.25 is the same as 1575/25 = 63
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Multiply the divisor by some number to make it a whole number and multiply the dividend by the same number, then the division can be done by normal long division.
The divisor 0.25 has two decimal places, so multiply both divisor and dividend (15.75) by 100:
15.75 ÷ 0.25 = (15.75 × 100) ÷ (0.25 × 100)
= 1575 ÷ 25
= 63
Alternatively you may spot that 0.25 is the same as ¼, so you could multiply both divisor and dividend by 4 before doing the division:
15.75 ÷ 0.25 = (15.75 × 4) ÷ (0.25 × 4)
= 63 ÷ 1
= 63
15.75 / 0.25 = 1575/25 divide numerator and denominator by 5 = 315/5
divide numerator and denominator by 5 = 63.
The last two steps can be combined to divide by 25 but I suspect that you are not up to that.
Well, darling, 15.75 divided by 0.25 is 63. But let's be real, if you're dividing by a quarter, you're basically just multiplying by 4. So, the answer is 63, but you already knew that, didn't you?
Composite. A prime number is defined as "a number not divisable by any integer other than itself and 1". It can be seen that 1575 can be divided by 5,15,25,75 and maybe more. None of these numbers are 1575 or 1 so the number is composite.
1575 = 3 * 3 * 5 * 5 * 73 x 3 x 5 x 5 x 7 = 1575
As a product of its prime factors: 3*3*5*5*7 = 1575
As a product of its prime factors: 3*3*5*5*7 = 1575
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