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Mathematics, 17.11.2019 07:31 Janznznz1121
James bought 5 baseball cards at a garage sale for $0.65 each. he sold them to a collector for $2.25 each. what was his profit?
(1 point)$3.25
$8.00
$11.25
$14.50
10.
what is 0.000750 in scientific notation?
(1 point)75 × 10–4
7.5 × 10–3
7.5 × 10–4
7.5 × 10–5
11.
what is thirty-one over five written as a decimal?
(1 point)1.6
6.1
6.2
6.5
12.
the table below shows the populations of four countries for the year 2006 expressed in scientific notation.
population in 2006
country
population
lebanon 3.90 × 106
mexico 1.08 × 108
peru 2.84 × 107
spain 45.5 × 106
of the countries listed, which one had the largest population in 2006?
(1 point)lebanon
mexico
peru
spain
13.
what is 2.28 × 10–8 in standard form?
(1 point)228,000,000
22,800,000
0.228
0.228
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James bought 5 baseball cards at a garage sale for $0.65 each. he sold them to a collector for $2.25...
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