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Q: Dose a negative number plus a negative number equal a positive number?

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"Dose" is a measured portion of a medicine. I am not aware of any exponents that have anything to do with measured quantities of medication! A negative exponent is simply the reciprocal of the corresponding positive exponent. Thus x^(-a) = (1/x)^a for non-zero x.

If the sides are all straight - an irregular polygon

0.1667

If: d = 60 times 4 then d = 240

1 gram is 1000 milligrams. you need to take four 250 mg pills or whatever, to equal a 1 gram dose. i hope your medicin is lethal at any dose higher than 500.

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No, you're just subracting basically. It' the same as -2 + (-2). The answer is -4, and it's a negative plus a negative. Or, if you'd rather: If you owe someone money, and then add another debt, does your debt not grow? And Love, I'd suggest that unless you're in the sixth grade or lower, you not only get tutored in math, but in English and spelling as well. [Does]

dose 23 grams of sodium and 238 grams of uranium have equal number of atoms in them

H+ has 1 proton and 0 electrons.Normal hydrogen has 1 proton and 1 electron. The number of protons always remains the same. The negative electron and the positive proton balance out the charge so that normal elemental hydrogen is neutral.H+ is the oxidized form of hydrogen. Its electron was taken away, so now it's left with 1 proton and 0 electrons, making its charge positive.H- is the reduced form of hydrogen. It has gained an electron, so now it has 1 positive proton and 2 negative electrons, making the charge equal to negative 1.

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