1. What is the fraction 3/260 in scientific notation to 3 significant figures? 2. Which statement...

1. What is the fraction 3/260 in scientific notation to 3 significant figures?

2. Which statement is correct about element? A) sulfur is a good conductor of heat B) iron is a transition metal C) boron is metal D) copper is a poor conductor

3. If an element has a mass number of 14, and contains 8 neurons, what is it's atomic number? A)22 B)6 C)14 D)8

4. What term describes urine sample with a ph value of 5.5? A)balanced B)alkaline C)neutral D) acidic

5. Which term means the substance in which the solute is dissolving into? A)Solution B)Solvent C)Suspension

6. What is the oxidation number of magnesium (ma) with any compound? A) +3 B )+1 C) +2 D) 0

7. What term best describe NaoH in this reaction? HCl+NaoH=NaCl+H20 . A) Gas B) Product C) Acid D) Reactant

Expert Solution

For the other answers please post them as another questions......

queen_honey_blossom answered 1 month ago

Indicate the number of significant figures and rewrite in scientific notation.

Indicate the number of significant figures and rewrite in scientific notation. Sig. figure Scientific Notation Sig. figure Scientific Notation 246.32 …………. ……………. 0.678 …………. ……………. 0.00340 …………. ……………. 14.600 …………. ……………. 0.0001 …………. ………… 700000 …………. ……………. 350.670 …………. ……………. 1.0000…………. ……………. 320001…………. ……………. 0.03020105…………. …………….

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((5.11x10^3))((1.880x10^-2))((2.92x10^5)) / ((9.5x10^-7))((7.64x10^2)) Record your answer in scientific notation with 2 significant digits. Note: Your answer...

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Use Newton-Raphson to find the real root to five significant figures 64x^3+6x^2+12-1=0

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