The sun is about 7.7 billion years old. 选择一项：对错

0.001=10^___ 1 billion=10^___ 1/10 = 10^___ 13^5 in standard notation 10^9 in standard...

Out of the nearly seven billion people living on Earth, about how many have access to the internet?...

What is 2.16e+16 billion

Wt-, is that in 1.5 billion years all humans with die?

75 billion

What is 2.9 billion km - 206 million km in scientific notation?

Out of the nearly seven billion people living on Earth, about how many have access to the internet?...

if i get 1 billion per second how long would it take to get 1 trillion

186,000 x one billion

Out of the nearly seven billion people living on Earth, about how many have access to the internet?...

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