Q: How is multiplying by 10 and dividing by 2 the same as multiplying by 5?

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Yes, it is!:)

Dividing anything by a fraction is the same as multiplying by the fraction's reciprocal. For example, 4 Ã· 2/7 = 4 x 7/2 = 14

Halving means multiplying the number by 0.5 or 1/2 or dividing by 2, they mean the same thing and will produce the same result. Doubling means multiplying the number by 2 (or dividing by 0.5) but remember whatever is easiest, for example: Double 5: 2*5=10 Half 14: 14/2=7

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Related questions

No, taking ½ of a number is the same as dividing it by 2. Dividing a number by ½ is the same as multiplying it by 2.

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Dividing by 1/2 is the same as multiplying by 2. 5 divided by 1/2 equals 10.

Yes, it is!:)

no, dividing a number is halving it, multiplying iy by 2 is doubling it

The inverse of multiplying is dividing, so dividing by 2.

Dividing anything by a fraction is the same as multiplying by the fraction's reciprocal. For example, 4 Ã· 2/7 = 4 x 7/2 = 14

The answer is 90. Dividing in half is also same as multiplying it by 2. Then you add 10, you'll get 90.

multiplying by 1/2 is the same as dividing by 2.

Halving means multiplying the number by 0.5 or 1/2 or dividing by 2, they mean the same thing and will produce the same result. Doubling means multiplying the number by 2 (or dividing by 0.5) but remember whatever is easiest, for example: Double 5: 2*5=10 Half 14: 14/2=7

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Dividing in half is the same as dividing by 2. 4 ÷ 2 = 2 IIII becomes II Dividing by one half is the same as multiplying by 2. 4 ÷ 1/2 = 8 IIII becomes IIIIIIII