Advertisements
Advertisements
Question
Find the square of 607
Advertisements
Solution
(607)2 = (600 + 7)2
= (600)2 + (7)2 + 2 (600) (7)
= 360000 + 49 + 1200 × 7
= 360000 + 49 + 8400
= 368449
APPEARS IN
RELATED QUESTIONS
Expand : (a – 2b)2
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(92)2
Evaluate using the expansion of (a + b)2 or (a – b)2:
(9.4)2
Write the place value of the underlined digit.
78,95,210
The expanded form of the number is given. Write the number.
9,00,000 + 20,000 + 7000 + 800 + 5
Write the following numbers in standard notation.
8000000 + 70000 + 3000 + 30 + 5
Write the following numbers in standard notation.
4000000 + 400 + 4
Write the following numbers in expanded from.
28,48,387
Represent given values in Abacus.
Write the number name of the following numbers represented in the Abacus
Find the face value and place value of the digits coloured in the given numbers.
9876
