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Mashutka [201]
3 years ago
15

Write 7.3 x 10 to the -7th power in standard form.

Mathematics
2 answers:
lara31 [8.8K]3 years ago
8 0

Answer:

7.3×10^-7 is already in standard form

73000000 is in scientific form

Olegator [25]3 years ago
3 0

Answer:

73000000

Step-by-step explanation:

your welcome

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Answer:

perimeter of the shaded region = 88 +44+28 =160 cm

Step-by-step explanation:

perimeter of shaded region = length AO + arc OB + arc AB

length AO = radius of bigger circle

radius of bigger circle = OX + OB = 2×radius of smaller circle = 2×14 cm = 28 cm

therefore AO = 28 cm

length of arc oB= half of circumference of smaller circle = \pi×14 = 44 cm

length of arc ab = half of circumference of bigger circle  = \pi×28 =\frac{22}{7}×28= 88

therefore perimeter of the shaded region = 88 +44+28 =160 cm

area of the shaded region = half of area of bigger circle - half of area of smaller circle

                                           =\frac{1}{2} \pi 28^{2} -\frac{1}{2} \pi 14^{2}

                                           =\frac{\pi }{2} (28^{2} -14^{2} )

  solving we gen area of shaded region = 924

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Step-by-step explanation:

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since it takes 360 days worth of work to do the whole wiring, in how many days would 18 electricians do it?   360/18.
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