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iVinArrow [24]
3 years ago
12

Which number line shows the solution to −3 − (−1)?

Mathematics
1 answer:
Irina18 [472]3 years ago
6 0

Answer:

The 3rd number line (c)

Step-by-step explanation:

The solution is -2

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Which fraction represents the shaded part of the grid?
Alexxandr [17]

Answer:

30%

Step-by-step explanation:

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2 years ago
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The diameter of the average cell in the human body is 1 x 10-5 meters. The diameter of a grain of sand is about 2 x 10-4 meters.
MariettaO [177]
PART A:

Scientific notation is given by A×10ⁿ where A is any number in a unit and 'n' is an integer.

0.000025 = 2.5×10⁻⁵

PART B:

Diameter of grain of sand ÷ Diameter of human body average cell
(2×10⁻⁴) ÷ (1×10⁻⁵) 
(2÷1) × (10⁻⁴÷10⁻⁵)
2 × (10⁻⁴ ⁻ ⁻⁵) = 2 × 10⁽⁻⁴⁺⁵⁾ = 2 × 10¹ = 20 times bigger

PART C:

The diameter of human body's average cell in nanometer
1 × 10⁻⁵ metre = 1 × 10⁻⁵ × 10⁹ = 1 × 10⁽⁻⁵⁺⁹⁾ = 1 × 10⁴ nanometer

PART D:

Smallest bacteria = 300 nanometer
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PART E:

Laws of exponents that are applied in scientific notation is 

xᵇ × xᵃ = x⁽ᵇ⁺ᵃ⁾
xᵇ ÷ xᵃ = x⁽ᵇ⁻ᵃ⁾

7 0
2 years ago
1 + 1 + 23 + 77 +109 + 4568+ 32?
Bond [772]

Answer:

4811?

Step-by-step explanation:

sorry if incorrect

7 0
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Tim needs 3 pounds of vegetables for a vegetable soup recipe.
klio [65]

Answer:

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Step-by-step explanation:

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3 years ago
What is the value of A
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the answer is -3x² caused when -x divide with 3x it will became -3x²

7 0
3 years ago
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