Holly Jolly Math

Decimals

100

8.95 / 10⁴ = X

X = 0.00895

200

890.2889 x 10³ = A

A = Move D to the right three times

D = Decimal

A = 890288.9

300

22.987 / 10⁶ = A

A = 0.00022987

400

928392.8327237 x P = X

P = 10⁹ X = 928392832723700.

500

A / B = 0.09209

A = 9.209 B = 10² 

Multiplication

100

9 x 2 = X

X = 18

200

10 x 9 = X

X = 90

300

10⁴ x 10 = X

X = 100000

400

100³ x 3 = X

X = 300000

500

A (squared)  x B = 36

9 (squared) x 2 = 36