Question

.. Using the identities, evaluate the following:​

Answer 1

Answer:

vi. (500-4)(500+4)

  = (500)² - (4)² {as, (a+b)(a-b) = a² - b²}

  = 250000 - 16

  = 249984

vii. 20.5 X 19.5

  = (20+0.5)(20-0.5)

  = (20)² - (0.5)²

  = 400 - 0.25

  = 399.75

viii. 9.6²

   = 9.6 X 9.6

   = 92.16

Step-by-step explanation:

Hope it helps :)

Answer 2

┏━━━━•❅•°•❈ ↯ •°•❅•━━━━┓

here's your answer

┗━━━━•❅•°•❈ ↯ •°•❅•━━━━┛

Lymphocytes ✍

✒They have round shaped nucleus.

Monocytes ✍

✒They have horseshoe shaped or kidney shaped nucleus.

✥Hope it helps❢❢

⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘ ⎘