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kirill [66]
3 years ago
6

1,220,000,000 in scientific notation? 0.0287 in scientific notation?

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
6 0
Answer:
= 1.22 × 109
(scientific notation)

= 1.22e9
(scientific e notation)

= 1.22 × 109
(engineering notation)
(billion; prefix giga- (G))

= 1220000000
<span>(real number)
</span>_________________________________________________

Answer:
= 2.87 × 10-2
(scientific notation)

= 2.87e-2
(scientific e notation)

= 28.7 × 10-3
(engineering notation)
(thousandth; prefix milli- (m))

= 0.0287
<span>(real number)</span>
xz_007 [3.2K]3 years ago
5 0

Answer:

1.22*10^9

Step-by-step explanation:

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\bf \begin{cases} a&=small\\ a+1&=\stackrel{consecutive}{large}\\ \end{cases}\qquad \begin{cases} \stackrel{\textit{4 times the small}}{4a}\\ \stackrel{\textit{13 greater than that}}{4a + 13} \end{cases}~\hfill \stackrel{\textit{large}}{a+1}=\stackrel{\stackrel{\textit{13 more than }}{\textit{4 times the small}}}{4a+13} \\\\[-0.35em] ~\dotfill

\bf a+1=4a+13\implies 1=3a+13\implies -12=3a\implies \cfrac{-12}{3}=a \\\\\\ \blacktriangleright -4=a \blacktriangleleft\qquad \qquad \stackrel{\textit{consecutive and large}~\hfill }{a+1\implies -4+1\implies \blacktriangleright -3 \blacktriangleleft}~\hfill \boxed{\stackrel{\textit{small}}{-4}~~,~~\stackrel{\textit{large}}{-3}}

let's recall that, on the negative side in a number line, the closer to 0, the larger the number, therefore, -1,000,000 is a much <u>smaller</u> number than -1, because -1 is closer to 0, thus is larger.

7 0
3 years ago
Question 2 of 5 Which number line and equation show how to find the distance from -2 to 5? 2-5 O A. 43 D |-2-5 B. -6 -2 0 1 22 3
grigory [225]
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