Estimates and Exponents
45 x 103
45,000
400 x 7 =
2,800
50 x 20 =
1,000
300 x 20 =
6,000
Pete owns a pizza restaurant, and he sells each pizza for $10. In August, he sold 898 pizzas. How much money did Pete make in August?
$8,980
87 x 104
870,000
260 x 9 =
2,340
85 x 10 =
850
420 x 10 =
4,200
Jackson's Bakery sells ice cream cakes for $28. If they sell 18 ice cream cakes in one week, how much money did they make from the ice cream cakes?
$504
989 x 103
989,000
125 x 5 =
625
45 x 20 =
900
508 x 15 =
7,620
Solve:
678 x 104
6,780,000
ESTIMATE:
898 x 23 =
18,000
605 x 8 =
4,840
24 x 36 =
864
243 x 32 =
7,776
Kelly sends 194 text messages a month. Bo sends 12 times as many text messages a month as Kelly. How many text messages does Bo send a month?
2,328 text messages
ESTIMATE:
721 x 69
49,000
845 x 7 =
5,915
89 x 52 =
4,628
896 x 63 =
56,448
8,701 x 45 =
391,545