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ELEN [110]
3 years ago
6

Round 56,477,812 to the nearest hundred thousand,

Mathematics
1 answer:
GrogVix [38]3 years ago
8 0

Answer:

56,500,000.

Step-by-step explanation:

56,477,812 rounded to the nearest hundred thousand:

The 4 is in the hundred thousands place, so we'll look at the next digit to the right of that, which is the 7:

56,<u>4</u>77,812

Since 7 is more than 5, we'll have to go up a number, which will be the 4. Afterwards, we'll have to replace all the digits after the 4 with zeros.

56,500,000.

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In △ABC,c=9, m∠B=65°, and a=105. Find b.
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Answer:

  b ≈ 101.52

Step-by-step explanation:

Given two sides and the angle between, the Law of Cosines is useful.

  b^2 = a^2 +c^2 -2ac·cos(B)

  b^2 = 105^2 +9^2 -2·105·9·cos(65°) ≈ 10307.251

  b ≈ √10307.251

  b ≈ 101.52

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3 years ago
Can someone please help me with question #3 plzz
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(4.55 x 10^13)-(1.78 x 10^12)=4.372 x 10^13


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  -    1780000000000
-----------------------------
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4 years ago
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anastassius [24]

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add/subtract the terms with same power of variable

(  \frac{1}{6}  {x}^{4}  -  \frac{1}{2}  {x}^{4} ) + ( -  \frac{ 3}{7} {x}^{2}   -  \frac{1}{7}  {x}^{2} ) + (5 +  \frac{1}{3} )

8 0
3 years ago
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The inequality for this problem is

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