13. write math write standard form, expanded form, and word form
top of the page. write five numbers that are at least 8 digits long under standard form.
write the expanded form and the word to
anded form and the word form for each number under the appropriate heading.
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Numbers can be written in different forms; examples of numbers written in standard form, expanded form and short word form are given below:

A. STANDARD FORM

(a). 81,326,412 = 8.1326412 * 10^7.

(b). 25,749,888 = 2.5749888 * 10^7.

(c). 93,782,514 = 9.3782514 * 10^7.

(d). 54,214,419 = 5.4214419 * 10^7.

(e). 97,222,119 = 9.7222119 * 10^7.

B. EXPANDED FORM

(a). 80,000,000 +1,000,000 +300,000 +20,000 + 6,000 +400 + 10 + 2.

(b). 20,000,000 + 5,000,000 + 700,000 + 40,000 + 9,000 + 800 + 80 + 8.

(c). 90,000,000 + 3,000,000 + 700,000 + 80,000 + 2,000 + 500 + 10 + 4.

(d). 50,000,000 + 4,000,000 + 200,000 + 10,000 + 4,000 + 400 + 10 + 9.

(e). 90,000,000 + 7,000,000 + 200,000 +20,000 + 2,000 + 100 + 10 + 9.

C. WORD FORM

(a). Eighty one million, three hundred and twenty six thousand, four hundred and twelve.

(b). Twenty five million, seven hundred and forty nine thousand, eight hundred and eighty eight.

(c). Ninety three million, seven hundred and eighty two thousand, five hundred and fourteen.

(d). Fifty four million, two hundred and fourteen thousand, four hundred and nineteen.

(e). Ninety seven million, two hundred and twenty two thousand, one hundred and nineteen.

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.