Question

1 upon 2 multiple by 9 multiple by 10​

Answer 1

Answer:

Mark me as a Brainlist pls bcoz ur one Brainlist make me genius rank.

Step-by-step explanation:

$\frac{1}{2} \times 9 \times 10 \\ = > \frac{9 \times 10}{2} \\ = > \frac{90}{2} = 45 \\ = > 45$

Answer 2

Answer:

45

Step-by-step explanation:

$\frac{1}{2} \times 9 \times 10 = \frac{90}{2} = 45$