Determine the place value of the digit 5 in 805.
ones
add 21 + 43
64
multiply 3 x 0 x 4
0
Round 864 to the nearest ten.
860
Write using exponential notation. 15 x 15 x 15 x 15
154
Write the words as a number.
Forty-five thousand, six hundred sixty
45,660
Add 7862 + 127
7,989
divide 55/11
5
Round 57,545 to the nearest thousand.
58,000
8 x 8 x 7 x 7 x 7
82 x 73
What is the place value of the digit 1 in 3,415,789
ten thousand
Subtract 922 - 467
455
multiply 123 x 4
492
estimate the sun by rounding each number to the nearest HUNDRED.
1300 + 1277 + 1337
3,900
Simplify 21 + 6 x 6
57
Write the number 6890 in expanded form.
6000 + 8000 + 90
subtract 800 - 551
249
divide 1350/5
270
Estimate the difference by rounding each number to the nearest ten. 1672 - 1493
1670 - 1490 = 180
Simplify 8/2 x 4 + 8
24
Write the number out.
one million, three hundred thousand, fifty seven
1,300,057
The sides of a triangle are 30 inches, 44 inches, and 56 inches. What is the perimeter of the triangle?
130 inches
multiply 25 x 276
6,900
Bargain Appliance Store advertises three refrigerators for $499, $1699, and $799. Round each cost to the nearest hundred to estimate the total cost.
500 + 1700 + 800 = $3,000
(20 + 40)/4 + 52
40