Answer:
c
Step-by-step explanation:
to write in scientific notation, the number has to be less than 10 but more than one
so for the given number let’s say there’s a decimal at the end
49,010,000.
to move the decimal to the right of 4, we’re moving 7 places
that’s why once the number is
4.901
we write a x10^7 after because you have to move the decimal 7 places to the right to get it back to the original number
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Answer:
its right left left
Step-by-step explanation:
Square pyramid is the pyramid with square base
Now to answer this question , we have to check which figure has a square base
First one - no , it does now has a square base
Second - again no , it also does not has a square base
Third - YES , it has a square base , and also the reast 4 sides are triangle with same sides
lets check fourth also
Fourth - No it does not have a square base
So Answer is third one
Third Option is the net of a square pyramid
Answer:
2nd, 4th and 5th
Step-by-step explanation:
remember :
+- = -
-+ = -
-- = +
++ = +
so, the first option has all signs of all terms as +. that is wrong, as we have -1 1/5
also the third option turns all signs to +. and is therefore wrong.
the second option makes the signs +, + and -. that is correct (like the original expression). as +- = -
the fourth option is just removing the brackets, which did not change anything about the signs, as there was a + in front of the original brackets. so, it is still the correct +, + and -.
the fifth option has the first two terms with -- signs, which makes them both +.
and the third one is +-, so it is -.
so, we end up again with the correct +, + and - signs.
