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Levart [38]
3 years ago
8

1,670,000,000 in scientific notation pleaseeee

Chemistry
2 answers:
noname [10]3 years ago
6 0

Answer:

1.67 × 10^9

Explanation:

Alchen [17]3 years ago
4 0
1.67*10^9 is the answer, because with an exponent the number on the left must be less than 10. Multiplying that number by 10^9 moves the decimal to the right 9 times, adding 7 zeroes.
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Calculate the gravitational force of attraction between a 26kg boy and his 5.1kg dog when they are separated by 0.19m
Pavel [41]

Answer:

Gravitational force of attraction G(f) = 2.44 x 10⁻⁷ (approx.)

Explanation:

Given:

Mass M1 = 26 kg

Mass M2 = 5.1 kg

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Find:

Gravitational force of attraction G(f)

Computation:

Gravitational force of attraction G(f) = G(m1)(m2)/r²

Gravitational force of attraction G(f) = [6.67 x 10⁻¹¹](26)(5.1)/(0.19)²

Gravitational force of attraction G(f) = 8.84 x 10⁻⁹ / 0.0361

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6 0
3 years ago
5.80 gg of NaCl in 350. mL of a NaClsolution
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Answer:

Solution is 0.28 M

You can also say, [NaCl] = 0.28 mol/L

Explanation:

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We convert the volume of solution to L → 350 mL . 1L / 1000 mL = 0.350L

We convert the mass of solute to moles → 5.80 g . 1mol / 58.45 g = 0.0992 moles

Molarity (mol/L) = 0.0992 mol /0.350L = 0.28M

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