A number is 42,300 When multiplied by 10 dint the product of this number and 500

420

Step-by-step explanation:

just × 10 by 420 to get the answer

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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homozygous. one is homozygous, while two is heterozygous.