is a difference of squares: (y + 15)^2
is a difference of squares: (y – 15)(y + 15)
is not a difference of squares
is a difference of squares: (y – 15)^2
56,980 rounded to the nearest hundreds is 56,900.
To round the number 56,980 to the nearest hundreds, we need to look at the digit in the hundreds place, which is 9. The rule for rounding is to examine the digit to the right of the place you want to round to, in this case, the digit in the tens place. If that digit is 5 or greater, you round up; if it's less than 5, you round down.
In 56,980, the tens digit is 8, which is less than 5. Therefore, we don't need to round up. We simply drop the digits to the right of the hundreds place, which are the tens and ones digits. The hundreds digit (9) remains the same.
So, rounding 56,980 to the nearest hundreds gives us:
56,900
In this rounded number, the hundreds place (9) is unchanged, and the digits in the tens and ones places (8 and 0) have been dropped.
To understand it visually, think of 56,980 on a number line. When you round to the nearest hundreds, you're essentially finding the closest multiple of 100. In this case, 56,980 is closest to 57,000, which is why we round down to 56,900.
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Answer:
57,000
Step-by-step explanation:
A.
1640 cm3
B.
3300 cm3
C.
16,400 cm3
D.
65,600 cm3
Answer: y = 27 degrees
Step-by-step explanation:
x = 90 degrees (right angle)
90 + 63 = 153
180 - 153 = 27