How much does an elephant weigh in scientific notation?
Write each number in standard form. 15. African elephants are the largest land mammals. The average African elephant weighs 11,000 pounds.
How big is a elephant?
Asian elephant: 8,800 lbsAfrican bush elephant: 13,000 lbsAfrican forest elephant: 6,000 – 13,000 lbs
What is the size of a blue whale in scientific notation?
–Mass of a blue whale expressed in standardnotation is 130,000,000 grams. –In scientific notation, this number is written as 1.3 x 108grams. 1.3 is the coefficient.
Are there more grains of sand on Earth or atoms in an average human body?
1. There are approximately . grains of sand on Earth. There are approximately atoms in an average human body.
How many times more atoms are in a human body compared to grains of sand on Earth?
There are approximately 7.5 × 1018 grains of sand on Earth. There are approximately 7 × 1027 atoms in an average human body.
How much sand is in the world?
If you assume a grain of sand has an average size and you calculate how many grains are in a teaspoon and then multiply by all the beaches and deserts in the world, the Earth has roughly (and we’re speaking very roughly here) 7.5 x 1018 grains of sand, or seven quintillion, five hundred quadrillion grains.
Are there more trees on Earth than stars in the Milky Way?
That’s the staggering number of trees on Earth, according to a new tally that astounds even the scientists who compiled it. Three trillion is three followed by 12 zeroes, which is more than the number of stars in the Milky Way and more than the number of cells in a human brain.
Is the universe infinite?
If the universe is infinite, it has always been infinite. At the Big Bang, it was infinitely dense. Since then it has just been getting less dense as space has expanded. In the infinite case, you wouldn’t have enough curvature for spacetime to form the hypersphere.
What is end of space?
No, they don’t believe there’s an end to space. However, we can only see a certain volume of all that’s out there. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasn’t had time to reach us yet, so we have no way of knowing such a galaxy exists.
What is beyond the universe?
But “infinity” means that, beyond the observable universe, you won’t just find more planets and stars and other forms of material…you will eventually find every possible thing.
Can the universe end?
If the Universe holds enough matter, including dark matter, the combined gravitational attraction of everything will gradually halt this expansion and precipitate the ultimate collapse. Over time, galaxies, then individual stars, will smash into each other more frequently, killing off any life on nearby planets.
Can a black hole kill you?
The point at which tidal forces destroy an object or kill a person will depend on the black hole’s size. For small black holes whose Schwarzschild radius is much closer to the singularity, the tidal forces would kill even before the astronaut reaches the event horizon.
What year will the universe end?
Eventually, 100 trillion years from now, all star formation will cease, ending the Stelliferous Era that’s be running since not long after our universe first formed. Much later, in the so-called Degenerate Era, galaxies will be gone, too. Stellar remnants will fall apart.
Does space ever end?
Scientists now consider it unlikely the universe has an end – a region where the galaxies stop or where there would be a barrier of some kind marking the end of space.
How cold is space?
If atoms come to a complete stop, they are at absolute zero. Space is just above that, at an average temperature of 2.7 Kelvin (about minus 455 degrees Fahrenheit).
How many stars are in space?