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anastassius [24]
2 years ago
7

What's 0.00045 in scientific notation

Mathematics
2 answers:
tino4ka555 [31]2 years ago
8 0
0.00045 = 4.5 × 10^-4
Vitek1552 [10]2 years ago
8 0
00045 becomes 4.5 x 10-4<span>, because we need to divide 4.5 by 10,000 to get it to become 0.00045</span>
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A ladder is leaning against a building so that the distance from the ground to the top of the ladder is 22 feetfeet less than th
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So basically the ladder is creating a right triangle with the ground and the wall. Ladder is the hypotenuse (h), building = b, ground = g
b = h - 22 ft
g = 1010 ft
use Pythagorean Theorem to determine the length of h:
{c}^{2}  =  {a}^{2}  + {b}^{2}  \\  {h}^{2}  =  {(h - 22)}^{2}  + {1010}^{2}  \\ {h}^{2}  =  {h}^{2} - 44h + 484 + 1020100
The h^2 terms cancel out to = 0
0 = - 44h + 484 + 1020100 \\ 44h = 1020584 \\ 44h \div 44 = 1020584 \div 44 \\ h = 23195.1 \: feet
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<em>so</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>1</em><em>5</em><em>3</em><em>.</em><em>9</em><em> </em><em>c</em><em>m</em><em> </em><em>^</em><em>2</em><em> </em>

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<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>.</em>

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