156. you basically just need to multiply 78 by 2
Answer:
It has to be A because its the only one that makes sense
Step-by-step explanation:
Answer:
Step-by-step explanation:
for 1st week=1 ¢
for 2nd week= 2¢
for 3rd week= 4¢
for 4th week=8¢
for 5th week=16¢
for 6th week=32¢
for 7th week=64¢
for 8th week=64+64=128¢
for 9th week= 128+128=256¢
for 10th week= 256+256=512¢
.: he saved a total of
1+2+4+8+16+32+64+128+256+512=1023¢
1023¢=1023/100=$10.23
The non-rounded sum is 15.579, so you’d round up to 16 since 5 and up rounds up. Hope this helps<3