`3xx4+1+10xx4xx0=`

If .^(n)P_(r) = 720 and .^(n)C_(r) = 120 , then find r. = (5 xx 4 xx 3)/(3 xx 2 xx1) xx (4xx 3 xx 2)/(3 xx 2xx1) = 10 xx 4 = 40 .

What is the largest power of 10 that divides the product 1 xx 2 xx 3 xx 4 … xx 3 xx 24 xx 25 ?

If 3 xx 4 xx 9 xx 3 = 4933 and 4 xx 6 xx 2 xx 1 = 6241, then 1 xx 6 xx 3 xx 2 = ?

Write the numeral whose expanded form is given below: ( i ) 6 xx 10^(4)+3 xx 10^(3)+0 xx 10^(2)+7 xx 10^(1)+8 xx 10^(0) ( ii ) 9 xx 10^(6)+7 xx 10^(5)+0 xx 10^(4)+3 xx 10^(3)+2 xx 10^(2)+9 xx 10^(1)+6 xx 10^(0) ( iii ) 8 xx 10^(5)+6 xx 10^(4)+4 xx 10^(3)+2 xx 10^(2)+9 xx 10^(1)+6 xx 10^(0)

Find the number from each of the following expanded forms :(a) 8xx10^(4)+6xx10^(3)+0xx10^(2)+4xx10^(1)+5xx10^(0) (b) 4xx10^(5)+5xx10^(3)+3xx10^(2)+2xx10^(0)(c)3xx10^(4)+7xx10^(2)+5xx10^(0)

Find the number from each of the following expanded forms : , (a) 8 xx 10^4 + 6 xx 10^3 + 0 xx 10^2 + 4 xx 10^1 + 5 xx 10^0 , (b) 4 xx 10^5 + 5 xx 10^3 + 3 xx 10^2 + 2 xx 10^0 , (c) 3 xx 10^4 + 7 xx 10^2 + 5 xx 10^0

Find the number form each of the following expanded forms: 8xx10^4+6xx10^3+0xx10^2+4xx10^1+5xx10^o

State True or False : 4xx10^(5)+3xx10^(4)+2xx10^(3)+1xx10^(@)=432010

Find the numbers from each of the following expanded forms: 7xx10^4+6xx10^3+0xx10^2+4xx10^1+5xx10^0 5xx10^5+4xx10^4+2xx10^3+3xx10^0