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2 years ago

What is 0.646 rounding to the nearest hundredth

Mathematics

2 answers:

S_A_V [24]2 years ago

6 0

Answer:

0.65

Step-by-step explanation:

Find the number in the hundredth place 4 and look one place to the right for the rounding digit 6 . Round up if this number is greater than or equal to 5 and round down if it is less than 5 .

Anika [276]2 years ago

5 0

Answer:It’s 0.65

Step-by-step explanation:To round 0.646 to the nearest hundredth consider the thousandths’ value of 0.646, which is 6 and equal or more than 5. Therefore, the hundredths value of 0.646 increases by 1 to 5.

0.646 rounded to the nearest hundredth = 0.65

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3 years ago

What is the value of this expression when a = 4, b = -5, and c = -7?

Ganezh [65]

Answer:

The value of the given expression is -878.08.

Step-by-step explanation:

Here, the given question is INCOMPLETE.

The complete question is:

Evaluate the expression for a = 4, b = -5, and c = -7. $4a^2b^{-2}c^3$

Here, substitute the vale of a = 4, b = -5 and c = -7, we get:

$4a^2b^{-2}c^3 = (\frac{4a^2c^3}{b^2}) = (\frac{4(4)^2(-7)^3}{(-5)^2})\\= (\frac{64 \times 343}{25}) =\frac{21,952}{25} = 878.08\\\implies 4a^2b^{-2}c^3 = 878.08 ( a = 4, b = -5 ,c = -7)$

Hence, the value of the given expression is -878.08.

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2 years ago