Question

1) find the square of numbers :
a) 328 b) 1052

2) write the units place digit of square
a) 327 b) 1089

3) check whether are perfect square are not
a) 361 b) 228

4) without adding find the sum of :
a) 1+3+5+7+9+11+13+17+19 =
b) 1+3+5+7+9+11+13+17+19+21+23+25+27+29=
​

Answer 1

Answer:

1a 18.1

1b 32.4

3a is not a perfect square

3b is not a perfect square

4a 1+3+5+7+9+11+13+15+17+19 = 122= 12×12= 144

4b1+3+5+7+9+11+13+15+17+19+21+23+ 25+27+29= 174= 13×13 =169

Step-by-step explanation:

2nd no I don't no

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