Question 72 (a)

Find the value of $7^0$

Question 72 (c)

Find the value of
$(-7{)}^{2\times 7-6-8}$

Question 72 (f)

Find the value of
$(8^0-2^0)\times (8^0+2^0)$

Question 72 (d)

Find the value of
$(2^0+3^0+4^0)(4^0-3^0-2^0)$

Question 72 (b)

Find the value of
$7^7÷7^7$

Question 72 (e)

Find the value of
$2\times 3\times 4÷2^0\times 3^0\times 4^0$