3. Complete the following as in the example: 723 = 7 hundreds + 2 tens + 3 units
a. 678 =
b. 5 021 =
C. 7 804 =
d. 6 300 =​

Step-by-step explanation:

a) 6 hundreds+ 7 tens+8 ones

b) 5 thousands+2 tens+1 ones

c) 7 thousand+8 hundreds+ 4 ones

d) 6 thousands+ 3 hundreds

b. 24 mm

step-by-step explanation:

use the pythagorean theorem.

a^2 + b^2 = c^2

a^2 + 7^2 = 25^2

a^2 + 49 = 625

a^2 = 576

a = 24

answer: b. 24 mm

step-by-step explanation:

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