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IRINA_888 [86]
3 years ago
7

How many significant digits are in the number 1.0 × 10^3?​

Chemistry
2 answers:
Arturiano [62]3 years ago
7 0
Answer: 1000
1•10^3 add three 0’s
Galina-37 [17]3 years ago
6 0
121837481817381813727-
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local winds are considered breezes while global winds produce mostly storms

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What animal is most like to harmed when a beaver builds a dam​
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Silicon has 2 isotopes, Silicon-28 with an abundance of 90% and Silicon-30 with an abundance of 10%. Find the AAM for Silicon.
JulsSmile [24]

Answer:

RAM

RAM = (mass \: of \:  ^{28} Si \:  \times \%abundance) + (mass \: of \:  ^{30} Si \:  \times \%abundance) \\ RAM = (28 \times 90\%) + (30 \times 10\%) \\ RAM = 25.2 + 3 \\ RAM = 28.2

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3 years ago
Convert 8.876 × 10^12 m^2 to units of km^2.
Darya [45]

Answer:

8.876\times 10^{18}\ km^2

Explanation:

In this problem, we need to convert 8.876 \times 10^{12}\ m^2 to km².

We know that,

1 km = 1000 m

⇒ 1 km² = 10⁶ m²

So,

8.876 \times 10^{12}\ m^2=8.876 \times 10^{12}\times 10^6\ km^2\\\\=8.876\times 10^{18}\ km^2

So, 8.876 \times 10^{12}\ m^2 is equal to 8.876\times 10^{18}\ km^2.

7 0
3 years ago
What is the total number of protons, neutrons, and electrons in a thallium, TI, atom that has a mass number of 204
a_sh-v [17]

Answer:

Name, Thallium. Symbol, Tl. Atomic Number, 81. Atomic Mass, 204.3833 atomic mass units. Number of Protons, 81. Number of Neutrons, 123. Number of Electrons, 81 ... It has a metallic luster when it is first exposed to air but it tarnish quickly

Explanation:

Hope this helped :)

6 0
3 years ago
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